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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.
18 lines
380 B
Plaintext
18 lines
380 B
Plaintext
Kind.verify
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: ∀(term: Kind.Term) ∀(type: Kind.Term) ∀(dep: Nat)
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(Maybe Kind.Term)
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= λterm λtype λdep
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use bind = (Maybe.bind Kind.Term Kind.Term)
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use pure = (Maybe.some Kind.Term)
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use none = (Maybe.none Kind.Term)
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(bind
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(Kind.infer term dep)
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λinfer
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(Kind.report
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(Kind.equal infer type dep)
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infer
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type
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term
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dep
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)
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) |