Very basic curry example in Python

basic_curry_ex.py

# This is meant to show trivial examples of currying.
# I know there are way more effective methods of doing this
# but this is meant to be illustrative, I also want to add 
# a few non-trivial examples to show how its useful.
import operator

def curry(func, var):
    y = var
    def f(x):
        return func(x, y)
    return f

if __name__ == '__main__':
    double = curry(operator.mul, 2)
    add7 = curry(operator.add, 7)
    a = double(6)
    b = add7(2)
    print("Double 6: %i" %a)
    print("Add 7 to 2: %i" %b)

def volume(width,length,height):
return widthlengthheight

surface_10 = partial(volume,10,10)
volume_for_surface10 = surface_10(100)
print(volume_for_surface10)

#语法糖
@Curry
def volume2(width,length,height):
return widthlengthheight

surface_20 = volume2(2,10)
volume_for_surface20 = surface_20(100)
print(volume_for_surface20)