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Now, there are two local binders: let x = ... use x = ... The 'let' binder will create a local definition, type-check it, and assign a name to it. When compiled, it will create 'dup' nodes. The 'use' binder is just an alias. It will not bind a new variable, and, when compiled, will create inline copies. Also, for type-checking, it allows creating aliases that are definitionaly equal for the checker.
11 lines
344 B
Plaintext
11 lines
344 B
Plaintext
Parser.char
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: (Parser Char)
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= λcode
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use P = λx (Parser.Result Char)
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use cons = λhead λtail
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use P = λx (Parser.Result Char)
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use true = (Parser.Result.done Char tail head)
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use false = (Parser.Result.done Char tail head)
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(~(Char.is_slash head) P true false)
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use nil = (Parser.Result.fail Char "eof")
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(~code P cons nil) |