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📜  ruby 代码示例中的增量

📅  最后修改于: 2022-03-11 15:04:48.240000             🧑  作者: Mango

代码示例1
a = 5
# a++ WRONG: ++ (or --) is not a reserved operator
a += 1 # correct (increment)
a -= 1 # correct (decrement)