String utilities for Golang

Description

Include all functions from standard library and some other useful functions

Example usage

package main

import (
    "fmt"

    "gitverse.ru/sc/golng/str"
)

func main() {
    fmt.Println(str.LeftPad("1", 5, "0")) // 00001
}

Benchmarks

BenchmarkLeftPadV2-8   	 3347702	       383.3 ns/op	     152 B/op	       4 allocs/op
BenchmarkLeftPad-8   	 5686744	       218.8 ns/op	     112 B/op	       1 allocs/op