Files F10384361

strings.go
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strings.go
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	package stringmanip

	// Substring provides a safe way to extract a substring from a UTF-8 string.
	// From this discussion:
	// https://groups.google.com/d/msg/golang-nuts/cGq1Irv_5Vs/0SKoj49BsWQJ
	func Substring(s string, p, l int) string {
	if p < 0 \|\| l <= 0 {
	return ""
	}
	c := []rune(s)
	if p > len(c) {
	return ""
	} else if p+l > len(c) \|\| p+l < p {
	return string(c[p:])
	}
	return string(c[p : p+l])
	}

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