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41 lines
701 B
41 lines
701 B
package main
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import (
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"fmt"
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)
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func main() {
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a := "123456"
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b := true
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fmt.Println(s(a, b))
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}
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func s(origin string, b bool) (result []rune) {
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data := []rune(origin)
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dataLen := len(origin)
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resultLen := (dataLen / 4) + 1
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if b {
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result = make([]rune, resultLen+1)
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result[resultLen] = rune(resultLen)
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} else {
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result = make([]rune, resultLen)
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}
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for i := 0; i < dataLen; i += 4 {
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result[i>>2] =
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getCharAt(data, i, dataLen) | getCharAt(data, i+1, dataLen)<<8 | getCharAt(data, i+2, dataLen)<<16 |
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getCharAt(data, i+3, dataLen)<<24
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}
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return result
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}
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func getCharAt(str []rune, index int, length int) rune {
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if index >= length {
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return 0
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} else {
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return str[index]
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}
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}
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