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| author |  Jason Gross <jgross@mit.edu> | 2017-03-01 13:27:39 -0500 |
|---|---|---|
| committer | Jason Gross <jgross@mit.edu> | 2017-03-01 13:27:39 -0500 |
| commit | 28b9e1d1adbe5845281c37210bb834d46796b13a (patch) | |
| tree | 54a041ad9f8ceded80bd8776cfadf864373187a8 /src/Util/LetIn.v | |
| parent | 6b3048c37ad348dc88ecc03ef892ecfb121bfa7f (diff) | |
Add dlet_nd notation
This is for non-dependent [dlet]s, to help Coq's type inference
Diffstat (limited to 'src/Util/LetIn.v')
| -rw-r--r-- | src/Util/LetIn.v | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Util/LetIn.v b/src/Util/LetIn.v index 12e1e6d43..18e763b93 100644 --- a/src/Util/LetIn.v +++ b/src/Util/LetIn.v @@ -5,6 +5,7 @@ Require Import Crypto.Util.Notations. Definition Let_In {A P} (x : A) (f : forall a : A, P a) : P x := let y := x in f y. Definition Let_In_pf {A P} (x : A) (f : forall a : A, a = x -> P a) : P x := let y := x in f y eq_refl. +Notation "'dlet_nd' x := y 'in' f" := (Let_In (P:=fun _ => _) y (fun x => f)) (only parsing). Notation "'dlet' x := y 'in' f" := (Let_In y (fun x => f)). Notation "'pflet' x , pf := y 'in' f" := (Let_In_pf y (fun x pf => f)). |