String::strip_suffix()
Returns this string without the suffix specified. If this string does not end with the suffix, return the string unchanged.
"foo".strip_suffix("o") //-> "fo" "bar".strip_suffix("o") //-> "bar"
public method strip_suffix(this: String, suffix: String): String { if this.ends_with(suffix) { return this.substring(0, this.len() - suffix.len()) } this }