언어별 람다 함수

1 Python

Python

CPU

0.0s

MEM

8M

0.0s

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a = (lambda x: x*2)(10)
print( a ) # 20

20

Python

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f1 = lambda x, y: x + y
print( f1(3, 4) ) # 7

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2 JavaScript

JavaScript

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var l = [1,2,3,4,5]
l.map(x=>x*x)
// [1, 4, 9, 16, 25]

3 Ruby

Ruby

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strings = ["hello", "my", "friend"]
symbolize = lambda { |x| x.to_sym }
print strings.collect(&symbolize)
# [:hello, :my, :friend]

Ruby

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arr = ["hi", :hello, "there", :my, :friend]
symbol_filter = lambda { |x| x.is_a? Symbol }
print arr.select(&symbol_filter)
# [:hello, :my, :friend]

4 같이 보기

• call
• collect
• select
• 익명 함수