Function isnum

Lib/test/test_binop.py:17–22

Test whether an object is an instance of a built-in numeric type.

(x)

    return isinstance(x, int)

def isnum(x):
    """Test whether an object is an instance of a built-in numeric type."""
    for T in int, float, complex:
        if isinstance(x, T):
            return 1
    return 0

def isRat(x):
    """Test whether an object is an instance of the Rat class."""