diff options
Diffstat (limited to 'src/common')
-rw-r--r-- | src/common/Maps.v | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/common/Maps.v b/src/common/Maps.v index 2db5114..21a1d9e 100644 --- a/src/common/Maps.v +++ b/src/common/Maps.v @@ -88,4 +88,11 @@ Proof. - reflexivity. Qed. +Definition contains (A: Type) (i: positive) (m: t A) : bool := + match get i m with + | Some _ => true + | None => false + end. + + End PTree. |