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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.
8 lines
283 B
Plaintext
8 lines
283 B
Plaintext
Parser.map
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: ∀(A: *) ∀(B: *) ∀(f: ∀(a: A) B) ∀(p: (Parser A))
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(Parser B)
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= λA λB λf λp λcode
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use P = λx (Parser.Result B)
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use done = λcode λvalue (Parser.Result.done B code (f value))
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use fail = λerror (Parser.Result.fail B error)
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(~(p code) P done fail) |