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| author | Inari Listenmaa <inari.listenmaa@gmail.com> | 2024-09-09 19:43:39 +0200 |
|---|---|---|
| committer | Inari Listenmaa <inari.listenmaa@gmail.com> | 2025-08-02 16:39:31 +0200 |
| commit | b914a25de326dd937e3a1d05f4eefb46af6da7b4 (patch) | |
| tree | e816d5ec4b91425f3f7e41dd8bd75a2681ff524c /src/runtime/haskell/PGF | |
| parent | 1037b209ae225d5de604ff832d915c590ced4c38 (diff) | |
define return in terms of pure, >> as *>, mappend as <>
In preparation for deprecation, see https://gitlab.haskell.org/ghc/ghc/-/wikis/proposal/semigroup-monoid and https://gitlab.haskell.org/ghc/ghc/-/wikis/proposal/monad-of-no-return
Diffstat (limited to 'src/runtime/haskell/PGF')
| -rw-r--r-- | src/runtime/haskell/PGF/TypeCheck.hs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/runtime/haskell/PGF/TypeCheck.hs b/src/runtime/haskell/PGF/TypeCheck.hs index 82bd47b7a..f02986fc0 100644 --- a/src/runtime/haskell/PGF/TypeCheck.hs +++ b/src/runtime/haskell/PGF/TypeCheck.hs @@ -94,11 +94,11 @@ class Selector s where select :: CId -> Scope -> Maybe Int -> TcM s (Expr,TType) instance Applicative (TcM s) where - pure = return + pure x = TcM (\abstr k h -> k x) (<*>) = ap instance Monad (TcM s) where - return x = TcM (\abstr k h -> k x) + return = pure f >>= g = TcM (\abstr k h -> unTcM f abstr (\x -> unTcM (g x) abstr k h) h) instance Selector s => Alternative (TcM s) where |