def S(z, y, *xs, **kw):
"""
<p>The S combinator.</p>
"""
v = call(y, *xs, **kw)
f = call(z, *xs, **kw)
return call(f, *v, **kw)
def K(f, *z, **kw):
"""
<p>The K combinator. This is also known as the Kestrel.</p>
<p>K takes a function (resolved through a bind expression which will have been created via something like <a href="/lib/fn/">lib/fn</a>), executes the function over its other inputs and then returns the original function.</p>
"""
call(f, *z, **kw)
return f
