5. 位运算符重载
位运算符重载
运算符和方法
方法名
运算符和表达式
说明
__invert__(self)~ self
取反(一元运算
__and__(self, other)self & other
位与
__or__(self, other)self | other
位或
__xor__(self, other)self ^ other
位异或
__lshift__(self, other)self << other
左移
__rshift__(self, other)self >> other
右移
反向位运算符重载
运算符和方法
方法名
运算符和表达式
说明
__rand__(self, other)other & self
位与
__ror__(self, other)other | self
位或
__rxor__(self, other)other ^ self
位异或
__rlshift__(self, other)other << self
左移
__rrshift__(self, other)other >> self
右移
增强赋值位运算符重载
运算符和方法
方法名
运算符和表达式
说明
__iand__(self, other)self &= other
位与
__ior__(self, other)self |= other
位或
__ixor__(self, other)self ^= other
位异或
__ilshift__(self, other)self <<= other
左移
__irshift__(self, other)self >>= other
右移
示例
# 位运算符重载 示例
# http://weimingze.com
class Vector1D:
'''用于描述一维向量的类！'''
def __init__(self, x):
self.x = x
def __repr__(self):
return f'Vector1D({self.x})'
def __and__(self, other): # &
print('__and__：位与运算符重载')
def __or__(self, other): # |
print('__or__：位或运算符重载')
def __xor__(self, other): # ^
print('__xor__：位异或运算符重载')
def __lshift__(self, other): # <<
print('__lshift__：左移运算符重载')
def __rshift__(self, other): # >>
print('__rshift__：右移运算符重载')
v1 = Vector1D(100)
v2 = Vector1D(200)
v1 & v2
v1 | v2
v1 ^ v2
v1 << v2
v1 >> v2
运行结果
__and__：位与运算符重载
__or__：位或运算符重载
__xor__：位异或运算符重载
__lshift__：左移运算符重载
__rshift__：右移运算符重载