1.用于变量赋值
a = 1
b = 2
h = {a: a, b: b}
#简写
h = {a:, b:}
p h # {a: 1, b: 2}2.用于方法实参
def f(a:, b:)
p a, b
end
a = 1
b = 2
f(a: a, b: b) # 1 2
#简写
f(a:, b:) # 1 2原创文章，作者：huoxiaoqiang，如若转载，请注明出处：https://www.huoxiaoqiang.com/experience/rubyexp/37533.html
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