11 lines
253 B
Text
11 lines
253 B
Text
universe variables u v
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structure Func :=
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(A : Type u) (B : Type v) (fn : A → B → A)
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instance F_to_fn : has_coe_to_fun Func :=
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{ F := λ f, f^.A → f^.B → f^.A,
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coe := λ f, f^.fn }
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variables (f : Func) (a : f^.A) (b : f^.B)
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#check (f a b)
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