Execute Brain****/Standard ML: Difference between revisions
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(translated from haskell) |
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{{implementation|Brainf***}}{{collection|RCBF}} |
{{implementation|Brainf***}}{{collection|RCBF}} |
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Quick implementation of a [[Brainfuck]] interpreter in Standard ML. |
Quick implementation of a [[Brainfuck]] interpreter in [[Standard ML]]. |
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Like the Haskell version but without the lazy lists: |
Like the [[Haskell]] [[RCBF/Haskell|version]] but without the lazy lists: |
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Pairs of lists are used to implement both the two-side infinite band of cells, and the program storage. |
Pairs of lists are used to implement both the two-side infinite band of cells, and the program storage. |
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| exec (p as (_, #"]"::_), d ) = exec (matchLeft (moveLeft p), d) |
| exec (p as (_, #"]"::_), d ) = exec (matchLeft (moveLeft p), d) |
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fun run s = exec (([], s), ([0], [0])) |
fun run s = exec (([], s), ([0], [0]))</lang> |
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</lang> |
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Example output: |
Example output: |
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