curried

curried.go

package main

import "fmt"

func div (x float32) func(float32) float32 {
    return func(y float32) float32 { return x / y }
}


func main () {
    inv := div(5.0)
    fmt.Println(inv(10.0))
}

curried.pl

use strict;
use warnings;

# http://ja.wikipedia.org/wiki/%E3%82%AB%E3%83%AA%E3%83%BC%E5%8C%96

sub div {
  my $x = shift;
  return sub {
    my $y = shift;
    return $x / $y;
  };
}


my $inv = div(5);
print $inv->(10);

curried.py

def div (x):
    def func (y):
        return x / y
    return func

inv = div(5.0)
print inv(10.0)

curried.rb

def div(x)
  return lambda{|y| x / y }
end

inv = div(5.0)
puts inv.call(10.0)