src/

5a is a version of the Plan 9 assembler.

5c is a version of the Plan 9 C compiler.

5g is the version of the gc compiler for the ARM.

5l is the linker for the ARM.

6a is a version of the Plan 9 assembler.

6c is a version of the Plan 9 C compiler.

6g is the version of the gc compiler for the x86-64.

6l is the linker for the x86-64.

8a is a version of the Plan 9 assembler.

8c is a version of the Plan 9 C compiler.

8g is the version of the gc compiler for the x86.

8l is the linker for the 32-bit x86.

Api computes the exported API of a set of Go packages.

This directory contains the portable section of the Plan 9 C compilers.

Cov is a rudimentary code coverage tool.

Gc is the generic label for the family of Go compilers that function as part of the (modified) Plan 9 tool chain.

Ld is the portable code for a modified version of the Plan 9 linker.

Nm is a version of the Plan 9 nm command.

Pack is a variant of the Plan 9 ar tool.

Prof is a rudimentary real-time profiler.

Package tar implements access to tar archives.

Package zip provides support for reading and writing ZIP archives.

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.

Package builtin provides documentation for Go's predeclared identifiers.

Package bytes implements functions for the manipulation of byte slices.

Package bzip2 implements bzip2 decompression.

Package flate implements the DEFLATE compressed data format, described in RFC 1951.

Package gzip implements reading and writing of gzip format compressed files, as specified in RFC 1952.

Package lzw implements the Lempel-Ziv-Welch compressed data format, described in T. A. Welch, “A Technique for High-Performance Data Compression”, Computer, 17(6) (June 1984), pp 8-19.

Package zlib implements reading and writing of zlib format compressed data, as specified in RFC 1950.

Package heap provides heap operations for any type that implements heap.Interface.

Package list implements a doubly linked list.

Package ring implements operations on circular lists.

Package crypto collects common cryptographic constants.

Package aes implements AES encryption (formerly Rijndael), as defined in U.S. Federal Information Processing Standards Publication 197.

Package cipher implements standard block cipher modes that can be wrapped around low-level block cipher implementations.

Package des implements the Data Encryption Standard (DES) and the Triple Data Encryption Algorithm (TDEA) as defined in U.S. Federal Information Processing Standards Publication 46-3.

Package dsa implements the Digital Signature Algorithm, as defined in FIPS 186-3.

Package ecdsa implements the Elliptic Curve Digital Signature Algorithm, as defined in FIPS 186-3.

Package elliptic implements several standard elliptic curves over prime fields.

Package hmac implements the Keyed-Hash Message Authentication Code (HMAC) as defined in U.S. Federal Information Processing Standards Publication 198.

Package md5 implements the MD5 hash algorithm as defined in RFC 1321.

Package rand implements a cryptographically secure pseudorandom number generator.

Package rc4 implements RC4 encryption, as defined in Bruce Schneier's Applied Cryptography.

Package rsa implements RSA encryption as specified in PKCS#1.

Package sha1 implements the SHA1 hash algorithm as defined in RFC 3174.

Package sha256 implements the SHA224 and SHA256 hash algorithms as defined in FIPS 180-2.

Package sha512 implements the SHA384 and SHA512 hash algorithms as defined in FIPS 180-2.

Package subtle implements functions that are often useful in cryptographic code but require careful thought to use correctly.

Package tls partially implements TLS 1.0, as specified in RFC 2246.

Package x509 parses X.509-encoded keys and certificates.

Package pkix contains shared, low level structures used for ASN.1 parsing and serialization of X.509 certificates, CRL and OCSP.

Package sql provides a generic interface around SQL (or SQL-like) databases.

Package driver defines interfaces to be implemented by database drivers as used by package sql.

Package dwarf provides access to DWARF debugging information loaded from executable files, as defined in the DWARF 2.0 Standard at http://dwarfstd.org/doc/dwarf-2.0.0.pdf

Package elf implements access to ELF object files.

Package gosym implements access to the Go symbol and line number tables embedded in Go binaries generated by the gc compilers.

Package macho implements access to Mach-O object files.

Package pe implements access to PE (Microsoft Windows Portable Executable) files.

Package ascii85 implements the ascii85 data encoding as used in the btoa tool and Adobe's PostScript and PDF document formats.

Package asn1 implements parsing of DER-encoded ASN.1 data structures, as defined in ITU-T Rec X.690.

Package base32 implements base32 encoding as specified by RFC 4648.

Package base64 implements base64 encoding as specified by RFC 4648.

Package binary implements translation between numbers and byte sequences and encoding and decoding of varints.

Package csv reads and writes comma-separated values (CSV) files.

Package gob manages streams of gobs - binary values exchanged between an Encoder (transmitter) and a Decoder (receiver).

Package hex implements hexadecimal encoding and decoding.

Package json implements encoding and decoding of JSON objects as defined in RFC 4627.

Package pem implements the PEM data encoding, which originated in Privacy Enhanced Mail.

Package xml implements a simple XML 1.0 parser that understands XML name spaces.

Package errors implements functions to manipulate errors.

Package cookiejar implements an RFC 6265-compliant http.CookieJar.

Package ebnf is a library for EBNF grammars.

Package html implements an HTML5-compliant tokenizer and parser.

Package atom provides integer codes (also known as atoms) for a fixed set of frequently occurring HTML strings: tag names and attribute keys such as "p" and "id".

Package inotify implements a wrapper for the Linux inotify system.

Package collate contains types for comparing and sorting Unicode strings according to a given collation order.

Package norm contains types and functions for normalizing Unicode strings.

Package utf8string provides an efficient way to index strings by rune rather than by byte.

Package winfsnotify allows the user to receive file system event notifications on Windows.

Package expvar provides a standardized interface to public variables, such as operation counters in servers.

Package flag implements command-line flag parsing.

Package fmt implements formatted I/O with functions analogous to C's printf and scanf.

Package ast declares the types used to represent syntax trees for Go packages.

Package build gathers information about Go packages.

Package doc extracts source code documentation from a Go AST.

Package format implements standard formatting of Go source.

Package parser implements a parser for Go source files.

Package printer implements printing of AST nodes.

Package scanner implements a scanner for Go source text.

Package token defines constants representing the lexical tokens of the Go programming language and basic operations on tokens (printing, predicates).

Package types declares the data structures for representing Go types and implements typechecking of package files.

Package hash provides interfaces for hash functions.

Package adler32 implements the Adler-32 checksum.

Package crc32 implements the 32-bit cyclic redundancy check, or CRC-32, checksum.

Package crc64 implements the 64-bit cyclic redundancy check, or CRC-64, checksum.

Package fnv implements FNV-1 and FNV-1a, non-cryptographic hash functions created by Glenn Fowler, Landon Curt Noll, and Phong Vo.

Package html provides functions for escaping and unescaping HTML text.

Package template (html/template) implements data-driven templates for generating HTML output safe against code injection.

Package image implements a basic 2-D image library.

Package color implements a basic color library.

Package draw provides image composition functions.

Package gif implements a GIF image decoder.

Package jpeg implements a JPEG image decoder and encoder.

Package png implements a PNG image decoder and encoder.

Package suffixarray implements substring search in logarithmic time using an in-memory suffix array.

Package io provides basic interfaces to I/O primitives.

Package ioutil implements some I/O utility functions.

Package log implements a simple logging package.

Package syslog provides a simple interface to the system log service.

Package math provides basic constants and mathematical functions.

Package big implements multi-precision arithmetic (big numbers).

Package cmplx provides basic constants and mathematical functions for complex numbers.

Package rand implements pseudo-random number generators.

Package mime implements parts of the MIME spec.

Package multipart implements MIME multipart parsing, as defined in RFC 2046.

Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets.

Package http provides HTTP client and server implementations.

Package cgi implements CGI (Common Gateway Interface) as specified in RFC 3875.

Package fcgi implements the FastCGI protocol.

Package httptest provides utilities for HTTP testing.

Package httputil provides HTTP utility functions, complementing the more common ones in the net/http package.

Package pprof serves via its HTTP server runtime profiling data in the format expected by the pprof visualization tool.

Package mail implements parsing of mail messages.

Package rpc provides access to the exported methods of an object across a network or other I/O connection.

Package jsonrpc implements a JSON-RPC ClientCodec and ServerCodec for the rpc package.

Package smtp implements the Simple Mail Transfer Protocol as defined in RFC 5321.

Package textproto implements generic support for text-based request/response protocols in the style of HTTP, NNTP, and SMTP.

Package url parses URLs and implements query escaping.

Package netchan implements type-safe networked channels: it allows the two ends of a channel to appear on different computers connected by a network.

Package os provides a platform-independent interface to operating system functionality.

Package exec runs external commands.

Package signal implements access to incoming signals.

Package user allows user account lookups by name or id.

Package path implements utility routines for manipulating slash-separated paths.

Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths.

Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types.

Package regexp implements regular expression search.

Package syntax parses regular expressions into parse trees and compiles parse trees into programs.

Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines.

Package cgo contains runtime support for code generated by the cgo tool.

Package debug contains facilities for programs to debug themselves while they are running.

Package pprof writes runtime profiling data in the format expected by the pprof visualization tool.

Package sort provides primitives for sorting slices and user-defined collections.

Package strconv implements conversions to and from string representations of basic data types.

Package strings implements simple functions to manipulate strings.

Package sync provides basic synchronization primitives such as mutual exclusion locks.

Package atomic provides low-level atomic memory primitives useful for implementing synchronization algorithms.

Package syscall contains an interface to the low-level operating system primitives.

Package testing provides support for automated testing of Go packages.

Package iotest implements Readers and Writers useful mainly for testing.

Package quick implements utility functions to help with black box testing.

Package scanner provides a scanner and tokenizer for UTF-8-encoded text.

Package tabwriter implements a write filter (tabwriter.Writer) that translates tabbed columns in input into properly aligned text.

Package template implements data-driven templates for generating textual output.

Package parse builds parse trees for templates as defined by text/template and html/template.

Package time provides functionality for measuring and displaying time.

Package unicode provides data and functions to test some properties of Unicode code points.

Package utf16 implements encoding and decoding of UTF-16 sequences.

Package utf8 implements functions and constants to support text encoded in UTF-8.

Package unsafe contains operations that step around the type safety of Go programs.