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char.go 670 Bytes
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frog authored 2024-04-15 18:02 +08:00 . perf 优化字符串换单词
package gstool
// CharisUpper 判断字符是否是大写字母
func CharisUpper(char int32) bool {
return char >= 'A' && char <= 'Z'
}
// CharisLower 判断字符是否是小写字母
func CharisLower(char int32) bool {
return char >= 'a' && char <= 'z'
}
// CharIsChar 判断字符是否是字母
func CharIsChar(char int32) bool {
return (char >= 'A' && char <= 'Z') || (char >= 'a' && char <= 'z')
}
// CharToUpper 字符转大写
func CharToUpper(char int32) int32 {
if CharisLower(char) {
return char - 32
}
return char
}
// CharToLower 字符转小写
func CharToLower(char int32) int32 {
if CharisUpper(char) {
return char + 32
}
return char
}
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golang simple gather
v1.9.9

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