First-class function

first-class function

1 JavaScript

var greet = function() {
        console.log("hello");
}
greet();
// hello

2 Python

def sayhello():
    print( 'hello' )

greet = sayhello
greet()
# hello

def plus(a, b):
    return a + b

sum = plus
c = sum(1, 2)
print( c )
# 3

3 같이 보기

• function
• 1급 함수