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doc: add pad function

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dudaodong
2023-02-23 10:19:05 +08:00
parent 634ca09e8c
commit c02654559a
5 changed files with 363 additions and 213 deletions
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38
strutil/string.go
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@@ -66,42 +66,22 @@ func LowerFirst(s string) string {
return string(r) + s[size:]
}
// PadEnd pads string on the right side if it's shorter than size.
// PadStart pads string on the left and right side if it's shorter than size.
// Padding characters are truncated if they exceed size.
func PadEnd(source string, size int, padStr string) string {
len1 := len(source)
len2 := len(padStr)
if len1 >= size {
return source
}
fill := ""
if len2 >= size-len1 {
fill = padStr[0 : size-len1]
} else {
fill = strings.Repeat(padStr, size-len1)
}
return source + fill[0:size-len1]
func Pad(source string, size int, padStr string) string {
return padAtPosition(source, size, padStr, 0)
}
// PadStart pads string on the left side if it's shorter than size.
// Padding characters are truncated if they exceed size.
func PadStart(source string, size int, padStr string) string {
len1 := len(source)
len2 := len(padStr)
return padAtPosition(source, size, padStr, 1)
}
if len1 >= size {
return source
}
fill := ""
if len2 >= size-len1 {
fill = padStr[0 : size-len1]
} else {
fill = strings.Repeat(padStr, size-len1)
}
return fill[0:size-len1] + source
// PadEnd pads string on the right side if it's shorter than size.
// Padding characters are truncated if they exceed size.
func PadEnd(source string, size int, padStr string) string {
return padAtPosition(source, size, padStr, 2)
}
// KebabCase covert string to kebab-case