Hi, Andrew.
As previously mentioned, K is ambiguous, as it can mean both:
function K(arg) { return arg; }
or:
function K(arg) { return function() { return arg; }; }
depending on your reference (Tcl for the former, combinatory logic for
the latter).
My vote therefore goes for using Function.IDENTITY.
I'm also strongly in favor of using uppercase for constant-like
objects. Given the language, this is of course purely conventional
(much like the underscore prefix for private methods). It's a very
useful nonetheless.
Best,
Tobie
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