摘要：
Go has pointers, but no pointer arithmetic.Struct fields can be accessed through a struct pointer. The indirection through the pointer is transparent.... 阅读全文
摘要：
Struct fields are accessed using a dot.package main import "fmt"type Vertex struct { X int Y int}func main() { v := Vertex{1, 2} v.X = 4 ... 阅读全文
摘要：
Astructis a collection of fields.(And atypedeclaration does what you'd expect.)package main import "fmt"type Vertext struct { X int Y int}func ... 阅读全文
摘要：
As a simple way to play with functions and loops, implement the square root function using Newton's method.In this case, Newton's method is to approxi... 阅读全文
摘要：
Variables declared inside anifshort statement are also available inside any of theelseblocks.package main import ( "fmt" "math")func pow(x, n, ... 阅读全文
摘要：
Likefor, theifstatement can start with a short statement to execute before the condition.Variables declared by the statement are only in scope until t... 阅读全文
摘要：
Theifstatement looks as it does in C or Java, except that the( )are gone and the{ }are required.(Sound familiar?)package main import ( "fmt" "m... 阅读全文
摘要：
If you omit the loop condition it loops forever, so an infinite loop is compactly（简洁地；紧密地；细密地） expressed.package main func main() { for { ... 阅读全文
摘要：
At that point you can drop the semicolons(分号): C'swhileis spelledforin Go.package main import "fmt"func main() { sum := 1 for sum < 1000 { ... 阅读全文
摘要：
As in C or Java, you can leave the pre and post statements empty.package main import "fmt"func main() { sum := 1 for ; sum < 1000; { sum... 阅读全文
摘要：
Go has only one looping construct, theforloop.The basicforloop looks as it does in C or Java, except that the( )are gone (they are not even optional) ... 阅读全文
摘要：
Numeric constants are high-precisionvalues.An untyped constant takes the type needed by its context.Try printingneedInt(Big)too.package main import "f... 阅读全文
摘要：
The expressionT(v)converts the valuevto the typeT.Some numeric conversions:var i int = 42var f float64 = float64(i)var u uint = uint(f)Or, put more si... 阅读全文
摘要：
Go's basic types areboolstringint int8 int16 int32 int64uint uint8 uint16 uint32 uint64 uintptrbyte // alias for uint8rune // alias for int32 ... 阅读全文
摘要：
Inside a function, the:=short assignment statement can be used in place of avardeclaration with implicit type.Outside a function, every construct begi... 阅读全文
摘要：
A var declaration can include initializers, one per variable.If an initializer is present, the type can be omitted; the variable will take the type of... 阅读全文
摘要：
Thevarstatement declares a list of variables; as in function argument lists, the type is last.package main import "fmt"var i intvar c, python, java bo... 阅读全文
摘要：
A function can return any number of results.This function returns two strings.package mainimport "fmt"func swap(x, y string) (string, string) { ret... 阅读全文
摘要：
import后面接的是目录的名字，而不是所谓包的名字，并且如果一个目录下面还有目录的话都必须要写进去，比如：import "MyPackage"import "MyPackage/MyInnerPackage"在这里讲明白了import后面接的是目录名而不是文件名更不是所谓的包名，那么一个目录下面的... 阅读全文
摘要：
安装Go语言开发环境实例代码 - 详述Go语言安装所在需要的工作：安装C语言工具，安装Mercurial，更新go到新版本等操作实例。安装go环境1、简介Go是一个开源项目，采用BSD授权协议。 该文档介绍如何获取Go源代码，如何编译，以及如何运行Go程序。目前有两种方式使用Go语言。这里主要讲述如... 阅读全文