erg_compiler 0.6.53

Centimetre: the Erg compiler
Documentation 
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def if__(cond, then, else_=lambda: None):
    if cond:
        return then()
    else:
        return else_()


def for__(iterable, body):
    for i in iterable:
        body(i)


def while__(cond_block, body):
    while cond_block():
        body()


def with__(obj, body):
    with obj as o:
        body(o)

def discard__(obj):
    pass


def assert__(test, msg=None):
    assert test, msg


def then__(x, f):
    if x is None or x is NotImplemented:
        return x
    else:
        return f(x)