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authorArnaud Bailly <arnaud@pankzsoft.com>2025-10-17 16:36:40 +0200
committerArnaud Bailly <arnaud@pankzsoft.com>2025-10-17 16:36:40 +0200
commit78d2b3acf77dc0500d27836915dce99a9c368b53 (patch)
tree8d82588ca47f7521fb134f309be1c457c78bf591 /lambda-calcul/haskell/test/Minilang/Lambda/ParserSpec.hs
parent1de68e897188941559a7f5bdc1314c69581c9208 (diff)
downloadlambda-nantes-78d2b3acf77dc0500d27836915dce99a9c368b53.tar.gz
feat: can parse a simple λ-expression
Diffstat (limited to 'lambda-calcul/haskell/test/Minilang/Lambda/ParserSpec.hs')
-rw-r--r--lambda-calcul/haskell/test/Minilang/Lambda/ParserSpec.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/lambda-calcul/haskell/test/Minilang/Lambda/ParserSpec.hs b/lambda-calcul/haskell/test/Minilang/Lambda/ParserSpec.hs
index 4d6f6e0..c1eab27 100644
--- a/lambda-calcul/haskell/test/Minilang/Lambda/ParserSpec.hs
+++ b/lambda-calcul/haskell/test/Minilang/Lambda/ParserSpec.hs
@@ -10,6 +10,8 @@ spec :: Spec
spec = parallel $ do
prop "parses an identifier as a variable" $ \(Identifier ident) ->
parse ident `shouldBe` Right (Sym ident)
+ prop "parses a lambda-expression as an abstraction" $ \(Identifier ident) (Identifier body) ->
+ parse ("(lam (" <> ident <> ") " <> body <> ")") `shouldBe` Right (Abs ident (Sym body))
newtype Identifier = Identifier Text
deriving (Eq, Show)