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authorGravatar Jason Gross <jgross@mit.edu>2017-04-05 02:53:02 -0400
committerGravatar Jason Gross <jgross@mit.edu>2017-04-05 02:53:02 -0400
commit208e82769300c888d34fb94266b74a3906125789 (patch)
tree97c7821c272b9a83ed9652fc3f87a50906c2ffd8 /src/Util/ChangeInAll.v
parent5562729887f61affeb12c5566f1b26eaf2727893 (diff)
Actually add ChangeInAll
Diffstat (limited to 'src/Util/ChangeInAll.v')
-rw-r--r--src/Util/ChangeInAll.v7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/Util/ChangeInAll.v b/src/Util/ChangeInAll.v
new file mode 100644
index 000000000..39a031207
--- /dev/null
+++ b/src/Util/ChangeInAll.v
@@ -0,0 +1,7 @@
+(** Work around "Cannot create self-referring hypothesis" coming from
+ [change x with y in *] *)
+Ltac change_in_all from to :=
+ change from with to;
+ repeat match goal with
+ | [ H : _ |- _ ] => progress change from with to in H
+ end.