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| author | Krzysztof Gogolewski <krzysztof.gogolewski@tweag.io> | 2021-07-29 20:23:53 +0200 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2021-08-02 04:18:00 -0400 |
| commit | 13af2feeca20e10d7dda675ad0634689a1931f17 (patch) | |
| tree | f2c4d214f187aa4b392551417db5d840deb9002a /libraries/template-haskell | |
| parent | 20ef67a3776e3d2737dc385f67cb89c90199b20f (diff) | |
| download | haskell-13af2feeca20e10d7dda675ad0634689a1931f17.tar.gz | |
Disallow nonlinear fields in Template Haskell (#18378)
Diffstat (limited to 'libraries/template-haskell')
| -rw-r--r-- | libraries/template-haskell/Language/Haskell/TH/Syntax.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libraries/template-haskell/Language/Haskell/TH/Syntax.hs b/libraries/template-haskell/Language/Haskell/TH/Syntax.hs index 8f8ddaf1e8..44b33a217b 100644 --- a/libraries/template-haskell/Language/Haskell/TH/Syntax.hs +++ b/libraries/template-haskell/Language/Haskell/TH/Syntax.hs @@ -2545,6 +2545,10 @@ data DecidedStrictness = DecidedLazy -- @ -- -- In @MkBar@, 'ForallC' will quantify @a@, @b@, and @c@. +-- +-- Multiplicity annotations for data types are currently not supported +-- in Template Haskell (i.e. all fields represented by Template Haskell +-- will be linear). data Con = NormalC Name [BangType] -- ^ @C Int a@ | RecC Name [VarBangType] -- ^ @C { v :: Int, w :: a }@ | InfixC BangType Name BangType -- ^ @Int :+ a@ |