lean2/tests/lean/run/apply_class_issue0.lean

structure is_trunc [class] (A : Type) : Type

theorem foo (A : Type) [H : is_trunc A] (B : Type) : B := sorry

theorem bar [H : is_trunc false] : false :=
by apply (@foo false _)
fix(library/unifier): postpone class-instance constraints whose type could not be inferred 2014-12-02 06:27:23 +00:00			`structure is_trunc [class] (A : Type) : Type`

			`theorem foo (A : Type) [H : is_trunc A] (B : Type) : B := sorry`

			`theorem bar [H : is_trunc false] : false :=`
			`by apply (@foo false _)`