(Joint Center)Library Ssreflect.ssrmatching

(* (c) Copyright Microsoft Corporation and Inria.                       
 You may distribute this file under the terms of the CeCILL-B license *)


Set Implicit Arguments.

Module SsrMatchingSyntax.

Reserve the notation for rewrite patterns so that the user is not allowed to declare it at a different level.
Reserved Notation "( a 'in' b )" (at level 0).
Reserved Notation "( a 'as' b )" (at level 0).
Reserved Notation "( a 'in' b 'in' c )" (at level 0).
Reserved Notation "( a 'as' b 'in' c )" (at level 0).

Notation to define shortcuts for the "X in t" part of a pattern.
Notation "( X 'in' t )" := (_ : fun Xt) : ssrpatternscope.
Delimit Scope ssrpatternscope with pattern.

Some shortcuts for recurrent "X in t" parts.
Notation RHS := (X in _ = X)%pattern.
Notation LHS := (X in X = _)%pattern.

End SsrMatchingSyntax.

Export SsrMatchingSyntax.