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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
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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
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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
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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
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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
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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
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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
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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
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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
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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