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main.go
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main.go
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package main
import (
"fmt"
"strings"
)
func main() {
fmt.Println(
// true
strings.Contains("test", "es"),
// 2
strings.Count("test", "t"),
// true
strings.HasPrefix("test", "te"),
// true
strings.HasSuffix("test", "st"),
// 1
strings.Index("test", "e"),
// "a-b"
strings.Join([]string{"a", "b"}, "-"),
// == "aaaaa"
strings.Repeat("a", 5),
// "bbaa"
strings.Replace("aaaa", "a", "b", 2),
// []string{"a","b","c","d","e"}
strings.Split("a-b-c-d-e", "-"),
// "test"
strings.ToLower("TEST"),
// "TEST"
strings.ToUpper("test"),
// "test"
strings.TrimSpace(" test "),
)
arr := []byte("test")
fmt.Println(arr)
str := string([]byte{'t', 'e', 's', 't'})
fmt.Println(str)
}