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package main import "fmt" // fibonacci is a function that returns // a function that returns an int. func fibonacci() func() int { a, b := 0, 1 return 阅读全文
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package main import ( "golang.org/x/tour/wc" "strings" ) func WordCount(s string) map[string]int { countMap := make(map[string]int) for _, k := range 阅读全文
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方法一 str := "返回中文字符串字串索引" subStr := "回" idx := strings.Index(str, subStr) // 3 preStrByt := []byte(str)[:idx] preRune := []rune(string(preStrByt )) ret 阅读全文
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Exercise: Slices package main import "golang.org/x/tour/pic" func Pic(dx, dy int) [][]uint8 { array := make([][]uint8, dy) for i := range array { arra 阅读全文