pile.js
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- This is still a work in progress. It may be changed in the future.
pile.js is a combination of an esoteric library for JavaScript (aka ECMAScript) and a coding style that requires you to use a rather strange data model for all operations- the stack. However, everything is still Javascript, so you can't use postfix as one normally would, making everything 1,000,000% more confusing for JavaScript programmers and concatenative programmers alike.
The Library
pile.js contains, as its main function, a single object: the bistack. The bistack consists of two stacks of any data that normal JS supports, and is usually used to emulate a tape. The stacks are called "main" and "offhand", and most commands only manipulate the main stack.
The bistack has the following commands:
Command | Laconic | Description |
---|---|---|
push
|
N/A | Yields a function which PUSHes the one argument of the first function onto the main stack |
drop
|
$
|
POP a value and discard it |
dup
|
:
|
POP a value and PUSH it twice |
swap
|
\
|
POP two values and push them in the same order, effectively swapping their locations |