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Diffstat (limited to 'vendor/Ltac2/theories/Fresh.v')
| -rw-r--r-- | vendor/Ltac2/theories/Fresh.v | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/vendor/Ltac2/theories/Fresh.v b/vendor/Ltac2/theories/Fresh.v new file mode 100644 index 0000000000..5e876bb077 --- /dev/null +++ b/vendor/Ltac2/theories/Fresh.v @@ -0,0 +1,26 @@ +(************************************************************************) +(* v * The Coq Proof Assistant / The Coq Development Team *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(************************************************************************) + +Require Import Ltac2.Init. + +Module Free. + +Ltac2 Type t. +(** Type of sets of free variables *) + +Ltac2 @ external union : t -> t -> t := "ltac2" "fresh_free_union". + +Ltac2 @ external of_ids : ident list -> t := "ltac2" "fresh_free_of_ids". + +Ltac2 @ external of_constr : constr -> t := "ltac2" "fresh_free_of_constr". + +End Free. + +Ltac2 @ external fresh : Free.t -> ident -> ident := "ltac2" "fresh_fresh". +(** Generate a fresh identifier with the given base name which is not a + member of the provided set of free variables. *) |