# ~*~ coding: utf-8 ~*~
#-
# Copyright © 2013
#       Dominik George <nik@naturalnet.de>
#
# Provided that these terms and disclaimer and all copyright notices
# are retained or reproduced in an accompanying document, permission
# is granted to deal in this work without restriction, including un‐
# limited rights to use, publicly perform, distribute, sell, modify,
# merge, give away, or sublicence.
#
# This work is provided “AS IS” and WITHOUT WARRANTY of any kind, to
# the utmost extent permitted by applicable law, neither express nor
# implied; without malicious intent or gross negligence. In no event
# may a licensor, author or contributor be held liable for indirect,
# direct, other damage, loss, or other issues arising in any way out
# of dealing in the work, even if advised of the possibility of such
# damage or existence of a defect, except proven that it results out
# of said person’s immediate fault when using the work as intended.

class TypeCheck():
    def __init__(self, *types):
        self.types = types

    def __call__(self, func):
        s = self

        def wrapped(*args):
            if not len(args) == len(s.types):
                raise TypeError("%d types given for %d arguments" % (len(s.types), len(args)))

            for i in range(len(args)):
                if not isinstance(args[i], s.types[i]):
                    raise TypeError("Argument %d must be of %s" % (i, repr(s.types[i])))

            return func(*args)

        return wrapped