class_name Convert

class FromString:
    static func _invalid_type(value: String, type: String) -> Error:
        return Error.new('"%s" is not a valid %s')

    static func to_int(value: String) -> Result:
        if value.is_valid_int():
            return Result.ok(value.to_int())
        else: return Result.err(_invalid_type(value, 'int'))

    static func to_float(value: String) -> Result:
        if value.is_valid_float():
            return Result.ok(value.to_float())
        else: return Result.err(_invalid_type(value, 'float'))

    static func to_bool(value: String) -> Result:
        if value == 'true': return Result.ok(true)
        elif value == 'false': return Result.ok(false)
        else: return Result.err(_invalid_type(value, 'bool'))

    static func binary_to_int(value: String) -> int:
        return value.bin_to_int()

    static func hex_to_int(value: String) -> Result:
        if value.is_valid_hex_number():
            return Result.ok(value.hex_to_int())
        else: return Result.err(_invalid_type(value, 'hex string'))