Re: [stack] Re: Concatenative Hardware
"Christopher Diggins" <[email protected]>
| Newsgroups | gmane.comp.lang.concatenative |
|---|---|
| Message-ID | <[email protected]> |
> > 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. - Christopher