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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
311 B
Plaintext
8 lines
311 B
Plaintext
Kind.load.dependency
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: ∀(name: String) ∀(book: Kind.Book) (IO Kind.Book)
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= λname λbook
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use has = (String.Map.has Kind.Term name book)
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use P = λx ∀(book: Kind.Book) (IO Kind.Book)
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use true = λbook (IO.done Kind.Book book)
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use false = λbook (Kind.load.name name book)
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(~has P true false book) |