The "Images" exercise in A Tour of Go asks for an implementation of image.Image. I wrote two solutions, one easy and one harder (just for practice in dealing with interfaces). SOLUTION 1: (HARD WAY) Stories about how and why companies use Go. Security How Go can help keep you secure by default. Learn Docs arrow_drop_down. Effective Go Tips for writing clear, performant, and idiomatic Go code. Source file tour/methods/ exercise-images.go
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image.go This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. exercise-images.go This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters. Show hidden characters. A tour of GO: Exercise: Images Raw go_image_ex package main import ( "code.google.com/p/go-tour/pic" "image" "image/color" ) type Image struct {} // ColorModel returns the Image's color model. func (i Image) ColorModel () color.Model { return color.RGBAModel } // Bounds returns the domain for which At can return non-zero color. GoTour / exercise-images.go / Jump to. Code definitions. Image Type ColorModel Method Bounds Method At Method runEx9 Function. Code navigation index up-to-date Go to file Go to file T; Go to line L; Go to definition R; Copy path Copy permalink; This commit does not belong to any branch on this repository, and may belong to a fork outside of the.
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Exercise: Images Remember the picture generator you wrote earlier? Let's write another one, but this time it will return an implementation of image.Image instead of a slice of data. Define your own Image type, implement the necessary methods, and call pic.ShowImage . Bounds should return a image.Rectangle, like image.Rect (0, 0, w, h) . exercise-images command. Version: v0.0.0-.-db3ee8d Latest Latest This package is not in the latest version of its module. Go to latest Published: Nov 27, 2021 License: MPL-2.0 Imports: 3 Imported by: 0. exercise-images.go; Why Go Use Cases Case Studies. οΈ 1000+ Hand-Crafted Go Examples, Exercises, and Quizzes. π Learn Go by fixing 1000+ tiny programs. - GitHub - inancgumus/learngo: οΈ 1000+ Hand-Crafted Go Examples, Exercises, and Quizzes. π Lear. 3 Solutions to all the exercises on the Tour of Go Website. The Gopher The Tour of Go Website is an excellent start for an developer trying to learn the language Go. It gradually introduces.
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{"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"exercise-equivalent-binary-trees.go","path":"exercise-equivalent-binary-trees.go. Hello, δΈη Welcome to a tour of the Go programming language . The tour is divided into a list of modules that you can access by clicking on A Tour of Go on the top left of the page. You can also view the table of contents at any time by clicking on the menu on the top right of the page.
{"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":"README.md","path":"README.md","contentType":"file"},{"name":"exercise-equivalent-binary. This is based on the Picture generator from the Slices exercise. func Pic(dx, dy int) [] []uint8 { p := make( [] []uint8,dy) for i := range p { p [i] = make( []uint8,dx) } for y := range p { for x := range p [y] { p [y] [x]= (uint8(x)*uint8(y)) } } return p } this time it will return an implementation of image.Image instead of a slice of data.
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Define your own Image type, implement the necessary methods, and call pic.ShowImage. Bounds should return a image.Rectangle, like image.Rect (0, 0, w, h). ColorModel should return color.RGBAModel. At should return a color; the value v in the last picture generator corresponds to color.RGBA {v, v, 255, 255} in this one. Fans of Go (called gophers) describe Go as having the expressiveness of dynamic languages like Python or Ruby, with the performance of compiled languages like C or C++. The language is open source, and was started by engineers at Google. It's written using a C-style syntax, has statically typed variables, manages memory using garbage collection.
