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authorInari Listenmaa <inari.listenmaa@gmail.com>2020-06-04 19:56:31 +0200
committerInari Listenmaa <inari.listenmaa@gmail.com>2020-06-04 19:56:31 +0200
commita4e3bce6bba915ea9dba0c1a34519f9cde9d243e (patch)
tree6fa5dedc69181cd84334b713b09fb80eab54c684 /src/compiler/GF/Compile/Rename.hs
parent9a903c166f8e41da0fc23cfbad7b8cc4bcfb2fcc (diff)
Add clarification to "Pattern is not linear" error msg.
Diffstat (limited to 'src/compiler/GF/Compile/Rename.hs')
-rw-r--r--src/compiler/GF/Compile/Rename.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/compiler/GF/Compile/Rename.hs b/src/compiler/GF/Compile/Rename.hs
index 5eb83cd4b..aacf24c5b 100644
--- a/src/compiler/GF/Compile/Rename.hs
+++ b/src/compiler/GF/Compile/Rename.hs
@@ -236,7 +236,7 @@ renamePattern :: Status -> Patt -> Check (Patt,[Ident])
renamePattern env patt =
do r@(p',vs) <- renp patt
let dupl = vs \\ nub vs
- unless (null dupl) $ checkError (hang ("[C.4.13] Pattern is not linear:") 4
+ unless (null dupl) $ checkError (hang ("[C.4.13] Pattern is not linear. All variable names on the left-hand side must be distinct.") 4
patt)
return r
where