Re: [stack] Re: Concatenative Hardware
Don Groves <[email protected]>
| Newsgroups | gmane.comp.lang.concatenative |
|---|---|
| Message-ID | <[email protected]> |
On Nov 4, 2007, at 19:13 , Christopher Diggins wrote: >>> QTE creates a thunk (a nullary function) from a value. The value is >>> popped from the stack and replaced with a function that always >>> returns >>> the value. >> >> Enlightenment time... >> >> I understand the form of this construct but not its essential nature. >> How does it differ from, and in what way is it more useful than, a >> constant? > > It allows you to create functions dynamically out of thin air. This is > useful when performing computations with higher-order functions. Ah, since higher-order functions only operate on functions... Thanks! -- Don > > - Christopher > > > > Yahoo! Groups Links > > > >