gopl

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gopl

Exercises of "The Go Programming Language"

The Sample Codes of this book.

List of Exercises

Directories

Path Synopsis
ch01
ex1.01 command
Exercise 1.1 Echo to print command name itself
 Exercise 1.1 Echo to print command name itself
ex1.02 command
Exercise 1.2 Echo to print index and value one per line
 Exercise 1.2 Echo to print index and value one per line
ex1.03
Exercise 1.2 Test echo performance
 Exercise 1.2 Test echo performance
ex1.04 command
Dup2 prints the count and text of lines that appear more than once in the input.
 Dup2 prints the count and text of lines that appear more than once in the input.
ex1.05 command
Lissajous generates GIF animations of random Lissajous figures.
 Lissajous generates GIF animations of random Lissajous figures.
ex1.06 command
Lissajous generates GIF animations of random Lissajous figures.
 Lissajous generates GIF animations of random Lissajous figures.
ex1.07 command
Fetch prints the content found at each specified URL.
 Fetch prints the content found at each specified URL.
ex1.08 command
Fetch prints the content found at each specified URL.
 Fetch prints the content found at each specified URL.
ex1.09 command
Fetch prints the content found at each specified URL.
 Fetch prints the content found at each specified URL.
ex1.10 command
Fetchall fetches URLs in parallel and reports their times and sizes.
 Fetchall fetches URLs in parallel and reports their times and sizes.
ex1.11 command
Fetchall fetches URLs in parallel and reports their times and sizes.
 Fetchall fetches URLs in parallel and reports their times and sizes.
ex1.12 command
Lissajous generates GIF animations of random Lissajous figures.
 Lissajous generates GIF animations of random Lissajous figures.
ch02
ex2.01
ex2.02 command
ex2.03
ex2.04
ex2.05
ch03
ex3.01 command
Surface computes an SVG rendering of a 3-D surface function.
 Surface computes an SVG rendering of a 3-D surface function.
ex3.02 command
Surface computes an SVG rendering of a 3-D surface function.
 Surface computes an SVG rendering of a 3-D surface function.
ex3.03 command
Surface computes an SVG rendering of a 3-D surface function.
 Surface computes an SVG rendering of a 3-D surface function.
ex3.04 command
Surface computes an SVG rendering of a 3-D surface function.
 Surface computes an SVG rendering of a 3-D surface function.
ex3.05 command
Mandelbrot emits a PNG image of the Mandelbrot fractal.
 Mandelbrot emits a PNG image of the Mandelbrot fractal.
ex3.06 command
Mandelbrot emits a PNG image of the Mandelbrot fractal.
 Mandelbrot emits a PNG image of the Mandelbrot fractal.
ex3.07 command
Mandelbrot emits a PNG image of the Mandelbrot fractal.
 Mandelbrot emits a PNG image of the Mandelbrot fractal.
ex3.08 command
Mandelbrot emits a PNG image of the Mandelbrot fractal.
 Mandelbrot emits a PNG image of the Mandelbrot fractal.
ex3.09 command
Mandelbrot emits a PNG image of the Mandelbrot fractal.
 Mandelbrot emits a PNG image of the Mandelbrot fractal.
ex3.10 command
ex3.11 command
ex3.12
ex3.13
ch04
ex4.01 command
ex4.02 command
ex4.03
ex4.04
ex4.05
ex4.06
ex4.07
ex4.08 command
Charcount computes counts of Unicode characters.
 Charcount computes counts of Unicode characters.
ex4.09 command
ex4.10 command
Package github provides a Go API for the GitHub issue tracker.
 Package github provides a Go API for the GitHub issue tracker.
ex4.11 command
Package github provides a Go API for the GitHub issue tracker.
 Package github provides a Go API for the GitHub issue tracker.
ex4.12 command
ex4.13 command
ex4.14 command
Package github provides a Go API for the GitHub issue tracker.
 Package github provides a Go API for the GitHub issue tracker.
ch05
ex5.01 command
Findlinks1 prints the links in an HTML document read from standard input.
 Findlinks1 prints the links in an HTML document read from standard input.
ex5.02 command
ex5.03 command
ex5.04 command
Findlinks1 prints the links in an HTML document read from standard input.
 Findlinks1 prints the links in an HTML document read from standard input.
ex5.05 command
ex5.06 command
Surface computes an SVG rendering of a 3-D surface function.
 Surface computes an SVG rendering of a 3-D surface function.
ex5.07 command
ex5.08 command
ex5.09 command
ex5.10 command
The toposort program prints the nodes of a DAG in topological order.
 The toposort program prints the nodes of a DAG in topological order.
ex5.11 command
The toposort program prints the nodes of a DAG in topological order.
 The toposort program prints the nodes of a DAG in topological order.
ex5.12 command
Outline prints the outline of an HTML document tree.
 Outline prints the outline of an HTML document tree.
ex5.13 command
Findlinks3 crawls the web, starting with the URLs on the command line.
 Findlinks3 crawls the web, starting with the URLs on the command line.
ex5.14 command
ex5.15
ex5.16
ex5.17
ex5.18 command
Fetch saves the contents of a URL into a local file.
 Fetch saves the contents of a URL into a local file.
ex5.19 command
ch06
ex6.01
Package intset provides a set of integers based on a bit vector.
 Package intset provides a set of integers based on a bit vector.
ex6.02
Package intset provides a set of integers based on a bit vector.
 Package intset provides a set of integers based on a bit vector.
ex6.03
Package intset provides a set of integers based on a bit vector.
 Package intset provides a set of integers based on a bit vector.
ex6.04
Package intset provides a set of integers based on a bit vector.
 Package intset provides a set of integers based on a bit vector.
ex6.05
Package intset provides a set of integers based on a bit vector.
 Package intset provides a set of integers based on a bit vector.
ch07
ex7.01 command
Bytecounter demonstrates an implementation of io.Writer that counts bytes.
 Bytecounter demonstrates an implementation of io.Writer that counts bytes.
ex7.02
ex7.03
Package treesort provides insertion sort using an unbalanced binary tree.
 Package treesort provides insertion sort using an unbalanced binary tree.
ex7.04
ex7.05
ex7.06 command
Tempflag prints the value of its -temp (temperature) flag.
 Tempflag prints the value of its -temp (temperature) flag.
ex7.07 command
Tempflag prints the value of its -temp (temperature) flag.
 Tempflag prints the value of its -temp (temperature) flag.
ex7.08 command
Sorting sorts a music playlist into a variety of orders.
 Sorting sorts a music playlist into a variety of orders.
ex7.09 command
Sorting sorts a music playlist into a variety of orders.
 Sorting sorts a music playlist into a variety of orders.
ex7.10
ex7.11 command
Http4 is an e-commerce server that registers the /list and /price endpoint by calling http.HandleFunc.
 Http4 is an e-commerce server that registers the /list and /price endpoint by calling http.HandleFunc.
ex7.12 command
Http4 is an e-commerce server that registers the /list and /price endpoint by calling http.HandleFunc.
 Http4 is an e-commerce server that registers the /list and /price endpoint by calling http.HandleFunc.
ex7.13
Package eval provides an expression evaluator.
 Package eval provides an expression evaluator.
ex7.14
Package eval provides an expression evaluator.
 Package eval provides an expression evaluator.
ex7.15 command
ex7.16 command
Evaluate an expression for http clients, accepting `expr` and `env` as query parameters, eg: curl 'localhost:8000/?expr=x*y&env=x=3%20y=4'
 Evaluate an expression for http clients, accepting `expr` and `env` as query parameters, eg: curl 'localhost:8000/?expr=x*y&env=x=3%20y=4'
ex7.17 command
ex7.18 command
ch08
ex8.01/clock command
ex8.01/clockwall command
ex8.02 command
RFC959 simple ftpd
 RFC959 simple ftpd
ex8.03 command
Netcat is a simple read/write client for TCP servers.
 Netcat is a simple read/write client for TCP servers.
ex8.03/reverb1 command
Reverb1 is a TCP server that simulates an echo.
 Reverb1 is a TCP server that simulates an echo.
ex8.04 command
Reverb2 is a TCP server that simulates an echo.
 Reverb2 is a TCP server that simulates an echo.
ex8.05 command
Mandelbrot emits a PNG image of the Mandelbrot fractal.
 Mandelbrot emits a PNG image of the Mandelbrot fractal.
ex8.06 command
Crawl3 crawls web links starting with the command-line arguments.
 Crawl3 crawls web links starting with the command-line arguments.
ex8.07 command
ex8.08 command
Reverb2 is a TCP server that simulates an echo.
 Reverb2 is a TCP server that simulates an echo.
ex8.09 command
The du4 command computes the disk usage of the files in a directory.
 The du4 command computes the disk usage of the files in a directory.
ex8.10 command
ex8.11 command
ex8.12 command
Chat is a server that lets clients chat with each other.
 Chat is a server that lets clients chat with each other.
ex8.13 command
Chat is a server that lets clients chat with each other.
 Chat is a server that lets clients chat with each other.
ex8.14 command
Chat is a server that lets clients chat with each other.
 Chat is a server that lets clients chat with each other.
ex8.15 command
Chat is a server that lets clients chat with each other.
 Chat is a server that lets clients chat with each other.
ch09
ex9.01
Package bank provides a concurrency-safe bank with one account.
 Package bank provides a concurrency-safe bank with one account.
ex9.02
ex9.03
Package memo provides a concurrency-safe non-blocking memoization of a function.
 Package memo provides a concurrency-safe non-blocking memoization of a function.
ex9.04
ex9.05 command
ex9.06 command
Mandelbrot emits a PNG image of the Mandelbrot fractal.
 Mandelbrot emits a PNG image of the Mandelbrot fractal.
ch10
ex10.01 command
ex10.02 command
ex10.02/uncompressor
ex10.02/uncompressor/tar
ex10.02/uncompressor/zip
ex10.03 command
Fetch prints the content found at each specified URL.
 Fetch prints the content found at each specified URL.
ex10.04 command
ch11
ex11.01 command
Charcount computes counts of Unicode characters.
 Charcount computes counts of Unicode characters.
ex11.02 command
ex11.03
Package word provides utilities for word games.
 Package word provides utilities for word games.
ex11.04
Package word provides utilities for word games.
 Package word provides utilities for word games.
ex11.06
ex11.07 command
ch12
ex12.01
Package display provides a means to display structured data.
 Package display provides a means to display structured data.
ex12.02
Package display provides a means to display structured data.
 Package display provides a means to display structured data.
ex12.03
Package sexpr provides a means for converting Go objects to and from S-expressions.
 Package sexpr provides a means for converting Go objects to and from S-expressions.
ex12.04
Package sexpr provides a means for converting Go objects to and from S-expressions.
 Package sexpr provides a means for converting Go objects to and from S-expressions.
ex12.05
ex12.06
Package sexpr provides a means for converting Go objects to and from S-expressions.
 Package sexpr provides a means for converting Go objects to and from S-expressions.
ex12.07
Package sexpr provides a means for converting Go objects to and from S-expressions.
 Package sexpr provides a means for converting Go objects to and from S-expressions.
ex12.08
Package sexpr provides a means for converting Go objects to and from S-expressions.
 Package sexpr provides a means for converting Go objects to and from S-expressions.
ex12.09
Package sexpr provides a means for converting Go objects to and from S-expressions.
 Package sexpr provides a means for converting Go objects to and from S-expressions.
ex12.10
Package sexpr provides a means for converting Go objects to and from S-expressions.
 Package sexpr provides a means for converting Go objects to and from S-expressions.
ex12.11
Package params provides a reflection-based parser for URL parameters.
 Package params provides a reflection-based parser for URL parameters.
ex12.12
Package params provides a reflection-based parser for URL parameters.
 Package params provides a reflection-based parser for URL parameters.
ex12.13
Package sexpr provides a means for converting Go objects to and from S-expressions.
 Package sexpr provides a means for converting Go objects to and from S-expressions.
ch13
ex13.01
Package equal provides a deep equivalence relation for arbitrary values.
 Package equal provides a deep equivalence relation for arbitrary values.
ex13.02
ex13.03
Package bzip provides a writer that uses bzip2 compression (bzip.org).
 Package bzip provides a writer that uses bzip2 compression (bzip.org).
ex13.04
Generage Exercises.md run 'go run utils/combine.go -o Exercises.md' under root
 Generage Exercises.md run 'go run utils/combine.go -o Exercises.md' under root

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