(ruletypes)
return switch(type, ruletypes)
Apply rules based on the expression type

    inputs:
        ruletypes -- a dict mapping {Type: rule}

    >>> from sympy.strategies import rm_id, typed
    >>> from sympy import Add, Mul
    >>> rm_zeros = rm_id(lambda x: x==0)
    >>> rm_ones  = rm_id(lambda x: x==1)
    >>> remove_idents = typed({Add: rm_zeros, Mul: rm_ones})
Apply rules based on the expression type
Apply rules based on the expression type
def typed(ruletypes):
    """ Apply rules based on the expression type

    inputs:
        ruletypes -- a dict mapping {Type: rule}

    >>> from sympy.strategies import rm_id, typed
    >>> from sympy import Add, Mul
    >>> rm_zeros = rm_id(lambda x: x==0)
    >>> rm_ones  = rm_id(lambda x: x==1)
    >>> remove_idents = typed({Add: rm_zeros, Mul: rm_ones})
    """
    return switch(type, ruletypes)
def typed ( ruletypes ) : return switch ( type , ruletypes )