7d32030729
This PR adds `cbv_eval` attribute that allows to evaluate functions in `cbv` tactic using pre-registered theorems.
11 lines
209 B
Text
11 lines
209 B
Text
module
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set_option cbv.warning false
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@[cbv_opaque] public def f5 (x : Nat) :=
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x + 1
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@[cbv_eval] private theorem f5_spec : f5 x = x + 1 := rfl
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/- works locally -/
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example : f5 1 = 2 := by conv => lhs; cbv
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