val sel (#k:eqtype) (#v:Type) (m:t k v) (x:k) : option v
let sel m x = m x
val sel (#k:eqtype) (#v:Type) (m:t k v) (x:k) : option v
let sel m x =
m x
FStar.PartialMap.fst.checked
prims.fst.checked FStar.Pervasives.fsti.checked FStar.FunctionalExtensionality.fsti.checked
FStar.PartialMap.fst
Prims.eqtype FStar.PartialMap.t FStar.Pervasives.Native.option
(*
   Copyright 2008-2021 Microsoft Research

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.

  Author: Aseem Rastogi
*)

module FStar.PartialMap

open FStar.FunctionalExtensionality

type t k v = k ^-> option v

let empty _ _ = on_dom _ (fun _ -> None)
val sel (#k:eqtype) (#v:Type) (m:t k v) (x:k) : option v
m: FStar.PartialMap.t k v -> x: k -> FStar.Pervasives.Native.option v