def maybe_quote(quote_some, x):
x = maybe_type(x)
return app(
x,
QUOTE(none),
lambda y: qapp(quote(some), app(quote_some, y)),
)
def enum_contains(qxs, qy):
return app(LESS, qapp(quote(box), qy), qxs)
def list_quote(quote_item, xs):
return app(
xs,
QUOTE(nil),
lambda h, t: qapp(quote(cons), app(quote_item, h), list_quote(t)),
)
def num_quote(x):
return app(x, QUOTE(zero), lambda px: qapp(quote(succ), num_quote(px)))
def sum_quote(quote_inl, quote_inr, xy):
return app(
xy,
lambda x: qapp(quote(inl), app(quote_inl, x)),
lambda y: qapp(quote(inr), app(quote_inr, y)),
)
def prod_quote(quote_fst, quote_snd, xy):
return app(
xy,
lambda x, y: qapp(quote(pair), app(quote_fst, x), app(quote_snd, y)),
)
def qfix(qf):
return EVAL(qf, qapp(quote(qfix), qf))
def enum_contains(qxs, qy):
return QLESS(qapp(quote(box), qy), qxs)
def stream_quote(quote_item, xs):
return xs(lambda h, t: qapp(QUOTE(stream_cons),
quote_item(h),
stream_quote(quote_item, t)))
def list_quote(quote_item, xs):
return xs(QUOTE(nil), lambda h, t:
qapp(quote(cons), quote_item(h), list_quote(t)))
def sum_quote(quote_inl, quote_inr, xy):
return xy(lambda x: qapp(quote(inl), quote_inl(x)),
lambda y: qapp(quote(inr), quote_inr(y)))
def prod_quote(quote_fst, quote_snd, xy):
return xy(lambda x, y: qapp(quote(pair), quote_fst(x), quote_snd(y)))
def maybe_quote(quote_some, x):
x = maybe_type(x)
return x(QUOTE(none), lambda y: qapp(quote(some), quote_some(y)))