diff options
author | Marius Bakke <mbakke@fastmail.com> | 2019-10-08 19:24:34 +0200 |
---|---|---|
committer | Marius Bakke <mbakke@fastmail.com> | 2019-10-08 19:24:34 +0200 |
commit | d1f3b333e6176a7879ab3742bbebb2a99f61a528 (patch) | |
tree | 8bd82ce68bd2534a48bf13c7256997f82dd1b3f4 /gnu/packages/patches/elm-compiler-fix-map-key.patch | |
parent | e01d384efcdaf564bbb221e43b81e087c8e2af06 (diff) | |
parent | 861907f01efb1cae7f260e8cb7b991d5034a486a (diff) |
Merge branch 'master' into staging
Diffstat (limited to 'gnu/packages/patches/elm-compiler-fix-map-key.patch')
-rw-r--r-- | gnu/packages/patches/elm-compiler-fix-map-key.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gnu/packages/patches/elm-compiler-fix-map-key.patch b/gnu/packages/patches/elm-compiler-fix-map-key.patch new file mode 100644 index 0000000000..4f05ded530 --- /dev/null +++ b/gnu/packages/patches/elm-compiler-fix-map-key.patch @@ -0,0 +1,38 @@ +commit e3512d887df41a8162c3e361171c04beca08415b +Author: Tom Stejskal <tom.stejskal@gmail.com> +Date: Mon Nov 19 20:09:43 2018 +0100 + + Fix Map.!: given key is not an element in the map + +diff --git a/compiler/src/Elm/Compiler/Type/Extract.hs b/compiler/src/Elm/Compiler/Type/Extract.hs +index 1aafe1d4..99763392 100644 +--- a/compiler/src/Elm/Compiler/Type/Extract.hs ++++ b/compiler/src/Elm/Compiler/Type/Extract.hs +@@ -10,6 +10,7 @@ module Elm.Compiler.Type.Extract + + + import Data.Map ((!)) ++import qualified Data.Map as Map + import qualified Data.Maybe as Maybe + import qualified Data.Set as Set + +@@ -134,11 +135,15 @@ extractUnion interfaces (Opt.Global home name) = + else + let + pname = toPublicName home name +- unions = I._unions (interfaces ! home) ++ maybeUnions = I._unions <$> Map.lookup home interfaces + in +- case I.toUnionInternals (unions ! name) of +- Can.Union vars ctors _ _ -> +- T.Union pname vars <$> traverse extractCtor ctors ++ case Map.lookup name =<< maybeUnions of ++ Just union -> ++ case I.toUnionInternals union of ++ Can.Union vars ctors _ _ -> ++ T.Union pname vars <$> traverse extractCtor ctors ++ Nothing -> ++ return $ T.Union pname [] [] + + + extractCtor :: Can.Ctor -> Extractor (N.Name, [T.Type]) |