Return

function with param

function with return

return

1 PHP

function sum(a, b) {
	return(a+b);
}
echo(sum(1, 2));
# 3

2 Python

def sum(a, b):
	return(a+b)
print(sum(1, 2))
# 3

3 Ruby

def sum(a, b)
	return a + b
end
puts sum(1, 2)
# 3

• implicit return

def sum(a, b)
	a + b
end
puts sum(1, 2)
# 3

4 Perl

sub _sum {
	my ($_a, $_b) = @_;
	return $_a+$_b;
}

print _sum(1, 2) . "\n";
# 3

5 같이 보기

• function
• 종료 상태