lean2/tests/lean/run/opaque_hint_bug.lean
Leonardo de Moura a5f0593df1 feat(*): change inductive datatype syntax
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-08-22 15:46:10 -07:00

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inductive list (T : Type) : Type :=
nil {} : list T,
cons : T → list T → list T
section
variable {T : Type}
definition concat (s t : list T) : list T
:= list_rec t (fun x l u, cons x u) s
opaque_hint (hiding concat)
end