List of Go language file types

Go language file types are mainly identified by suffixes. Common types include: .go: source code file.mod: module description file_test.go: test file.c: C language source code file_.s: assembly language source Code file.h: C language header file

List of Go language file types

Go language file types are identified by suffixes, Different types of suffixes represent different uses. The following are some common Go language file types:

• .go: Source code file, containing the source code of a Go language program.
• .mod: Module description file, specifying the module and version used in the project.
• _test.go: Test file, used to write unit tests and integration tests.
• .c: A C language source code file that can be used in conjunction with Go language code to provide access to native libraries or system calls.
• _.s: Assembly language source code file that can be used in conjunction with Go language code to operate the hardware at a low level.
• .h: C language header file, containing declarations and macros, can be used in conjunction with Go language code.

Practical case:

Create a simple Go language program and use different file types:

// main.go (源代码文件)
package main

import "fmt"

func main() {
    fmt.Println("Hello, Go!")
}

// _test.go (测试文件)
package main

import "testing"

func TestMain(t *testing.T) {
    want := "Hello, Go!"
    got := "Hello, Go!"
    if want != got {
        t.Errorf("want %q, got %q", want, got)
    }
}

// go.mod (模块描述文件)
module myapp

require (
    github.com/golang/protobuf v1.5.2
)

// 构建和运行程序
go build main.go
./main

// 运行测试
go test

Output ：

Hello, Go!

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