Documentation
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Source Files
Directories
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src
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archive/zip
Package zip provides support for reading and writing ZIP archives.
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Package zip provides support for reading and writing ZIP archives. |
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bufio
Package bufio implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or Writer) that also implements the interface but provides buffering and some help for textual I/O.
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Package bufio implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or Writer) that also implements the interface but provides buffering and some help for textual I/O. |
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bytes
Package bytes implements functions for the manipulation of byte slices.
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Package bytes implements functions for the manipulation of byte slices. |
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cmp
Package cmp provides types and functions related to comparing ordered values.
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Package cmp provides types and functions related to comparing ordered values. |
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compress/flate
Package flate implements the DEFLATE compressed data format, described in RFC 1951.
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Package flate implements the DEFLATE compressed data format, described in RFC 1951. |
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context
Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
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Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
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embed
Package embed provides access to files embedded in the running Go program.
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Package embed provides access to files embedded in the running Go program. |
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encoding
Package encoding defines interfaces shared by other packages that convert data to and from byte-level and textual representations.
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Package encoding defines interfaces shared by other packages that convert data to and from byte-level and textual representations. |
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encoding/binary
Package binary implements simple translation between numbers and byte sequences and encoding and decoding of varints.
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Package binary implements simple translation between numbers and byte sequences and encoding and decoding of varints. |
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errors
Package errors implements functions to manipulate errors.
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Package errors implements functions to manipulate errors. |
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fmt
Package fmt implements formatted I/O with functions analogous to C's printf and scanf.
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Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
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hash
Package hash provides interfaces for hash functions.
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Package hash provides interfaces for hash functions. |
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hash/crc32
Package crc32 implements the 32-bit cyclic redundancy check, or CRC-32, checksum.
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Package crc32 implements the 32-bit cyclic redundancy check, or CRC-32, checksum. |
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internal/asan
Package asan contains helper functions for manually instrumenting code for the address sanitizer.
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Package asan contains helper functions for manually instrumenting code for the address sanitizer. |
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internal/bisect
Package bisect can be used by compilers and other programs to serve as a target for the bisect debugging tool.
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Package bisect can be used by compilers and other programs to serve as a target for the bisect debugging tool. |
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internal/buildcfg
Package buildcfg provides access to the build configuration described by the current environment.
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Package buildcfg provides access to the build configuration described by the current environment. |
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internal/byteorder
Package byteorder provides functions for decoding and encoding little and big endian integer types from/to byte slices.
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Package byteorder provides functions for decoding and encoding little and big endian integer types from/to byte slices. |
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internal/cfg
Package cfg holds configuration shared by the Go command and internal/testenv.
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Package cfg holds configuration shared by the Go command and internal/testenv. |
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internal/chacha8rand
Package chacha8rand implements a pseudorandom generator based on ChaCha8.
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Package chacha8rand implements a pseudorandom generator based on ChaCha8. |
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internal/coverage/cfile
Package cfile implements management of coverage files.
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Package cfile implements management of coverage files. |
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internal/cpu
Package cpu implements processor feature detection used by the Go standard library.
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Package cpu implements processor feature detection used by the Go standard library. |
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internal/dag
Package dag implements a language for expressing directed acyclic graphs.
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Package dag implements a language for expressing directed acyclic graphs. |
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internal/filepathlite
Package filepathlite implements a subset of path/filepath, only using packages which may be imported by "os".
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Package filepathlite implements a subset of path/filepath, only using packages which may be imported by "os". |
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internal/fmtsort
Package fmtsort provides a general stable ordering mechanism for maps, on behalf of the fmt and text/template packages.
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Package fmtsort provides a general stable ordering mechanism for maps, on behalf of the fmt and text/template packages. |
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internal/fuzz
Package fuzz provides common fuzzing functionality for tests built with "go test" and for programs that use fuzzing functionality in the testing package.
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Package fuzz provides common fuzzing functionality for tests built with "go test" and for programs that use fuzzing functionality in the testing package. |
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internal/goarch
package goarch contains GOARCH-specific constants.
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package goarch contains GOARCH-specific constants. |
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internal/godebug
Package godebug makes the settings in the $GODEBUG environment variable available to other packages.
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Package godebug makes the settings in the $GODEBUG environment variable available to other packages. |
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internal/godebugs
Package godebugs provides a table of known GODEBUG settings, for use by a variety of other packages, including internal/godebug, runtime, runtime/metrics, and cmd/go/internal/load.
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Package godebugs provides a table of known GODEBUG settings, for use by a variety of other packages, including internal/godebug, runtime, runtime/metrics, and cmd/go/internal/load. |
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internal/goexperiment
Package goexperiment implements support for toolchain experiments.
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Package goexperiment implements support for toolchain experiments. |
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internal/goos
package goos contains GOOS-specific constants.
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package goos contains GOOS-specific constants. |
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internal/gover
Package gover implements support for Go toolchain versions like 1.21.0 and 1.21rc1.
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Package gover implements support for Go toolchain versions like 1.21.0 and 1.21rc1. |
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internal/lazyregexp
Package lazyregexp is a thin wrapper over regexp, allowing the use of global regexp variables without forcing them to be compiled at init.
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Package lazyregexp is a thin wrapper over regexp, allowing the use of global regexp variables without forcing them to be compiled at init. |
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internal/lazytemplate
Package lazytemplate is a thin wrapper over text/template, allowing the use of global template variables without forcing them to be parsed at init.
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Package lazytemplate is a thin wrapper over text/template, allowing the use of global template variables without forcing them to be parsed at init. |
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internal/msan
Package msan contains helper functions for manually instrumenting code for the memory sanitizer.
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Package msan contains helper functions for manually instrumenting code for the memory sanitizer. |
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internal/nettrace
Package nettrace contains internal hooks for tracing activity in the net package.
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Package nettrace contains internal hooks for tracing activity in the net package. |
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internal/oserror
Package oserror defines errors values used in the os package.
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Package oserror defines errors values used in the os package. |
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internal/pkgbits
Package pkgbits implements low-level coding abstractions for Unified IR's export data format.
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Package pkgbits implements low-level coding abstractions for Unified IR's export data format. |
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internal/poll
Package poll supports non-blocking I/O on file descriptors with polling.
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Package poll supports non-blocking I/O on file descriptors with polling. |
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internal/profile
Package profile represents a pprof profile as a directed graph.
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Package profile represents a pprof profile as a directed graph. |
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internal/profilerecord
Package profilerecord holds internal types used to represent profiling records with deep stack traces.
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Package profilerecord holds internal types used to represent profiling records with deep stack traces. |
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internal/race
Package race contains helper functions for manually instrumenting code for the race detector.
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Package race contains helper functions for manually instrumenting code for the race detector. |
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internal/reflectlite
Package reflectlite implements lightweight version of reflect, not using any package except for "runtime", "unsafe", and "internal/abi"
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Package reflectlite implements lightweight version of reflect, not using any package except for "runtime", "unsafe", and "internal/abi" |
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internal/runtime/atomic
Package atomic provides atomic operations, independent of sync/atomic, to the runtime.
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Package atomic provides atomic operations, independent of sync/atomic, to the runtime. |
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internal/runtime/exithook
Package exithook provides limited support for on-exit cleanup.
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Package exithook provides limited support for on-exit cleanup. |
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internal/runtime/syscall
Package syscall provides the syscall primitives required for the runtime.
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Package syscall provides the syscall primitives required for the runtime. |
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internal/saferio
Package saferio provides I/O functions that avoid allocating large amounts of memory unnecessarily.
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Package saferio provides I/O functions that avoid allocating large amounts of memory unnecessarily. |
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internal/singleflight
Package singleflight provides a duplicate function call suppression mechanism.
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Package singleflight provides a duplicate function call suppression mechanism. |
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internal/stringslite
Package stringslite implements a subset of strings, only using packages that may be imported by "os".
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Package stringslite implements a subset of strings, only using packages that may be imported by "os". |
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internal/syscall/windows/registry
Package registry provides access to the Windows registry.
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Package registry provides access to the Windows registry. |
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internal/syscall/windows/sysdll
Package sysdll is an internal leaf package that records and reports which Windows DLL names are used by Go itself.
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Package sysdll is an internal leaf package that records and reports which Windows DLL names are used by Go itself. |
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internal/sysinfo
Package sysinfo implements high level hardware information gathering that can be used for debugging or information purposes.
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Package sysinfo implements high level hardware information gathering that can be used for debugging or information purposes. |
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internal/testlog
Package testlog provides a back-channel communication path between tests and package os, so that cmd/go can see which environment variables and files a test consults.
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Package testlog provides a back-channel communication path between tests and package os, so that cmd/go can see which environment variables and files a test consults. |
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internal/trace/internal/oldtrace
Package oldtrace implements a parser for Go execution traces from versions 1.11–1.21.
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Package oldtrace implements a parser for Go execution traces from versions 1.11–1.21. |
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internal/trace/raw
Package raw provides an interface to interpret and emit Go execution traces.
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Package raw provides an interface to interpret and emit Go execution traces. |
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internal/trace/traceviewer/format
Package traceviewer provides definitions of the JSON data structures used by the Chrome trace viewer.
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Package traceviewer provides definitions of the JSON data structures used by the Chrome trace viewer. |
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internal/txtar
Package txtar implements a trivial text-based file archive format.
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Package txtar implements a trivial text-based file archive format. |
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internal/unsafeheader
Package unsafeheader contains header declarations for the Go runtime's slice and string implementations.
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Package unsafeheader contains header declarations for the Go runtime's slice and string implementations. |
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internal/weak
The weak package is a package for managing weak pointers.
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The weak package is a package for managing weak pointers. |
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internal/xcoff
Package xcoff implements access to XCOFF (Extended Common Object File Format) files.
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Package xcoff implements access to XCOFF (Extended Common Object File Format) files. |
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internal/zstd
Package zstd provides a decompressor for zstd streams, described in RFC 8878.
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Package zstd provides a decompressor for zstd streams, described in RFC 8878. |
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io
Package io provides basic interfaces to I/O primitives.
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Package io provides basic interfaces to I/O primitives. |
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io/fs
Package fs defines basic interfaces to a file system.
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Package fs defines basic interfaces to a file system. |
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io/ioutil
Package ioutil implements some I/O utility functions.
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Package ioutil implements some I/O utility functions. |
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iter
Package iter provides basic definitions and operations related to iterators over sequences.
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Package iter provides basic definitions and operations related to iterators over sequences. |
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math
Package math provides basic constants and mathematical functions.
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Package math provides basic constants and mathematical functions. |
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math/big
Package big implements arbitrary-precision arithmetic (big numbers).
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Package big implements arbitrary-precision arithmetic (big numbers). |
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math/bits
Package bits implements bit counting and manipulation functions for the predeclared unsigned integer types.
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Package bits implements bit counting and manipulation functions for the predeclared unsigned integer types. |
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math/cmplx
Package cmplx provides basic constants and mathematical functions for complex numbers.
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Package cmplx provides basic constants and mathematical functions for complex numbers. |
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math/rand
Package rand implements pseudo-random number generators suitable for tasks such as simulation, but it should not be used for security-sensitive work.
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Package rand implements pseudo-random number generators suitable for tasks such as simulation, but it should not be used for security-sensitive work. |
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math/rand/v2
Package rand implements pseudo-random number generators suitable for tasks such as simulation, but it should not be used for security-sensitive work.
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Package rand implements pseudo-random number generators suitable for tasks such as simulation, but it should not be used for security-sensitive work. |
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net
Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets.
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Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
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net/dns/dnsmessage
Package dnsmessage provides a mostly RFC 1035 compliant implementation of DNS message packing and unpacking.
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Package dnsmessage provides a mostly RFC 1035 compliant implementation of DNS message packing and unpacking. |
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net/http
Package http provides HTTP client and server implementations.
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Package http provides HTTP client and server implementations. |
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net/http/cgi
Package cgi implements CGI (Common Gateway Interface) as specified in RFC 3875.
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Package cgi implements CGI (Common Gateway Interface) as specified in RFC 3875. |
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net/http/cookiejar
Package cookiejar implements an in-memory RFC 6265-compliant http.CookieJar.
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Package cookiejar implements an in-memory RFC 6265-compliant http.CookieJar. |
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net/http/fcgi
Package fcgi implements the FastCGI protocol.
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Package fcgi implements the FastCGI protocol. |
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net/http/httptest
Package httptest provides utilities for HTTP testing.
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Package httptest provides utilities for HTTP testing. |
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net/http/httptrace
Package httptrace provides mechanisms to trace the events within HTTP client requests.
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Package httptrace provides mechanisms to trace the events within HTTP client requests. |
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net/http/httputil
Package httputil provides HTTP utility functions, complementing the more common ones in the net/http package.
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Package httputil provides HTTP utility functions, complementing the more common ones in the net/http package. |
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net/http/internal
Package internal contains HTTP internals shared by net/http and net/http/httputil.
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Package internal contains HTTP internals shared by net/http and net/http/httputil. |
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net/http/internal/testcert
Package testcert contains a test-only localhost certificate.
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Package testcert contains a test-only localhost certificate. |
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net/http/pprof
Package pprof serves via its HTTP server runtime profiling data in the format expected by the pprof visualization tool.
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Package pprof serves via its HTTP server runtime profiling data in the format expected by the pprof visualization tool. |
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net/internal/socktest
Package socktest provides utilities for socket testing.
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Package socktest provides utilities for socket testing. |
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net/mail
Package mail implements parsing of mail messages.
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Package mail implements parsing of mail messages. |
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net/netip
Package netip defines an IP address type that's a small value type.
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Package netip defines an IP address type that's a small value type. |
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net/rpc
Package rpc provides access to the exported methods of an object across a network or other I/O connection.
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Package rpc provides access to the exported methods of an object across a network or other I/O connection. |
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net/rpc/jsonrpc
Package jsonrpc implements a JSON-RPC 1.0 ClientCodec and ServerCodec for the rpc package.
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Package jsonrpc implements a JSON-RPC 1.0 ClientCodec and ServerCodec for the rpc package. |
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net/smtp
Package smtp implements the Simple Mail Transfer Protocol as defined in RFC 5321.
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Package smtp implements the Simple Mail Transfer Protocol as defined in RFC 5321. |
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net/textproto
Package textproto implements generic support for text-based request/response protocols in the style of HTTP, NNTP, and SMTP.
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Package textproto implements generic support for text-based request/response protocols in the style of HTTP, NNTP, and SMTP. |
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net/url
Package url parses URLs and implements query escaping.
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Package url parses URLs and implements query escaping. |
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os
Package os provides a platform-independent interface to operating system functionality.
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Package os provides a platform-independent interface to operating system functionality. |
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os/exec
Package exec runs external commands.
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Package exec runs external commands. |
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os/exec/internal/fdtest
Package fdtest provides test helpers for working with file descriptors across exec.
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Package fdtest provides test helpers for working with file descriptors across exec. |
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os/signal
Package signal implements access to incoming signals.
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Package signal implements access to incoming signals. |
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os/user
Package user allows user account lookups by name or id.
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Package user allows user account lookups by name or id. |
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path
Package path implements utility routines for manipulating slash-separated paths.
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Package path implements utility routines for manipulating slash-separated paths. |
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path/filepath
Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths.
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Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
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reflect
Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types.
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Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
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runtime
Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines.
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Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines. |
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runtime/cgo
Package cgo contains runtime support for code generated by the cgo tool.
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Package cgo contains runtime support for code generated by the cgo tool. |
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runtime/debug
Package debug contains facilities for programs to debug themselves while they are running.
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Package debug contains facilities for programs to debug themselves while they are running. |
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runtime/internal/startlinetest
Package startlinetest contains helpers for runtime_test.TestStartLineAsm.
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Package startlinetest contains helpers for runtime_test.TestStartLineAsm. |
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runtime/internal/sys
package sys contains system- and configuration- and architecture-specific constants used by the runtime.
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package sys contains system- and configuration- and architecture-specific constants used by the runtime. |
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runtime/metrics
Package metrics provides a stable interface to access implementation-defined metrics exported by the Go runtime.
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Package metrics provides a stable interface to access implementation-defined metrics exported by the Go runtime. |
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runtime/pprof
Package pprof writes runtime profiling data in the format expected by the pprof visualization tool.
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Package pprof writes runtime profiling data in the format expected by the pprof visualization tool. |
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runtime/race
Package race implements data race detection logic.
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Package race implements data race detection logic. |
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runtime/trace
Package trace contains facilities for programs to generate traces for the Go execution tracer.
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Package trace contains facilities for programs to generate traces for the Go execution tracer. |
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slices
Package slices defines various functions useful with slices of any type.
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Package slices defines various functions useful with slices of any type. |
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sort
Package sort provides primitives for sorting slices and user-defined collections.
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Package sort provides primitives for sorting slices and user-defined collections. |
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strconv
Package strconv implements conversions to and from string representations of basic data types.
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Package strconv implements conversions to and from string representations of basic data types. |
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strings
Package strings implements simple functions to manipulate UTF-8 encoded strings.
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Package strings implements simple functions to manipulate UTF-8 encoded strings. |
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sync
Package sync provides basic synchronization primitives such as mutual exclusion locks.
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Package sync provides basic synchronization primitives such as mutual exclusion locks. |
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sync/atomic
Package atomic provides low-level atomic memory primitives useful for implementing synchronization algorithms.
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Package atomic provides low-level atomic memory primitives useful for implementing synchronization algorithms. |
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syscall
Package syscall contains an interface to the low-level operating system primitives.
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Package syscall contains an interface to the low-level operating system primitives. |
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syscall/js
Package js gives access to the WebAssembly host environment when using the js/wasm architecture.
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Package js gives access to the WebAssembly host environment when using the js/wasm architecture. |
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time
Package time provides functionality for measuring and displaying time.
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Package time provides functionality for measuring and displaying time. |
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time/tzdata
Package tzdata provides an embedded copy of the timezone database.
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Package tzdata provides an embedded copy of the timezone database. |
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unicode
Package unicode provides data and functions to test some properties of Unicode code points.
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Package unicode provides data and functions to test some properties of Unicode code points. |
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unicode/utf16
Package utf16 implements encoding and decoding of UTF-16 sequences.
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Package utf16 implements encoding and decoding of UTF-16 sequences. |
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unicode/utf8
Package utf8 implements functions and constants to support text encoded in UTF-8.
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Package utf8 implements functions and constants to support text encoded in UTF-8. |
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unique
The unique package provides facilities for canonicalizing ("interning") comparable values.
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The unique package provides facilities for canonicalizing ("interning") comparable values. |
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unsafe
Package unsafe contains operations that step around the type safety of Go programs.
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Package unsafe contains operations that step around the type safety of Go programs. |
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windows
Package windows contains an interface to the low-level operating system primitives.
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Package windows contains an interface to the low-level operating system primitives. |
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windows/mkwinsyscall
command
mkwinsyscall generates windows system call bodies
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mkwinsyscall generates windows system call bodies |
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windows/registry
Package registry provides access to the Windows registry.
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Package registry provides access to the Windows registry. |
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windows/svc
Package svc provides everything required to build Windows service.
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Package svc provides everything required to build Windows service. |
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windows/svc/debug
Package debug provides facilities to execute svc.Handler on console.
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Package debug provides facilities to execute svc.Handler on console. |
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windows/svc/eventlog
Package eventlog implements access to Windows event log.
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Package eventlog implements access to Windows event log. |
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windows/svc/mgr
Package mgr can be used to manage Windows service programs.
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Package mgr can be used to manage Windows service programs. |
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