# ~continuations in python

cont.py

# from: https://www.ps.uni-saarland.de/~duchier/python/continuations.html
# more: https://duckduckgo.com/html?q=continuations%20in%20python

def sumc(x,y,k):
    k(x+y)

def mulc(x,y,k):
    k(x*y)
    
def f(x,k):
    sumc(x,1, lambda i: mulc(i,i,k))

def callcc(f,c):
    f(c,c)

def identity(x):
    return x

def seq(f,g):
    def seqf(v):
        f(v)
        return g(v)
    return seqf

def call(v):
    def callf(f):
        return f(v)
    return callf

callcc(lambda k,q: q(seq(print, call)(k)),lambda x: print(42))