trimmed.swift

extension String {
    func leftTrimmed() -> Self {
        guard let i = self.firstIndex(where: { !$0.isWhitespace }) else {
            return ""
        }
        return "\(self[i...])"
    }

    func rightTrimmed() -> Self {
        guard let i = self.lastIndex(where: { !$0.isWhitespace }) else {
            return ""
        }
        return "\(self[...i])"
    }
}