A Tour of Go

Packages

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Functions

名前付き戻り値

code:go

func split(sum int) (x, y int) {

x = sum * 4 / 9

y = sum - x

return // 一見戻り値なしに見えるので、この行は短い関数で使う

}

Variables

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For

If

式を伴うIf

code:go

func pow(x, n, lim float64) float64 {

if v := math.Pow(x, n); v < lim {

return v

} else {

fmt.Printf("%g >= %g\n", v, lim)

}

// can't use v here, though / vはここでは使えない（スコープ外）

return lim

}

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sync.Mutex