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LongFish
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- The title of this article is not correct because of technical limitations. The correct title is actually ><=>.
><=> (pronounced as if it were spelled as “fiiisssh”) is a superset of the ><> esoteric programming language. It was invented by User:Restruct. in 2026.
Instructions
The following is merely a draft of the new instructions in ><=>, and is subject to change.
u
|
Pop 2 values off the stack, and set them as the cursor direction. |
k
|
Push 2 values onto the stack, corresponding to the two axes of the current cursor direction. |
j
|
If the register has a value in it, decrement the value. Else give a error. |
q
|
If the register has a value in it, increment the value. Else give a error. |
h
|
Copies the data from the previous stack's register to the current stack's register. |
y
|
Copies the data from the current stack's register to the previous stack's register. |
z
|
Push 2 valus onto the stack, corresponding to the current cursor position. |
Interpreters
Restruct's Interpreter
A online interpreter in Typescript, based on Mousetail's ><> (Fish) online interpreter. Able to create sharable links, pause execution, and see the state of multiple stacks at the same time. Inputs do not reset when repeatedly testing a program.