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author | Ben Gamari <ben@smart-cactus.org> | 2021-02-06 18:30:35 -0500 |
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committer | Ben Gamari <ben@smart-cactus.org> | 2021-02-06 18:30:35 -0500 |
commit | b995bfe84f9766e23ff78d7ccd520ec7d8cdbebc (patch) | |
tree | 3e7f15ac3b0abe417797ec89275aa1209f6ca297 /hypsrc-test/src/TemplateHaskellQuasiquotes.hs | |
parent | 9f597b6647a53624eaf501a34bfb4d8d15425929 (diff) | |
parent | 010f0320dff64e3f86091ba4691bc69ce6999647 (diff) |
Merge branch 'wip/ghc-head-merge' into ghc-head
Diffstat (limited to 'hypsrc-test/src/TemplateHaskellQuasiquotes.hs')
-rw-r--r-- | hypsrc-test/src/TemplateHaskellQuasiquotes.hs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/hypsrc-test/src/TemplateHaskellQuasiquotes.hs b/hypsrc-test/src/TemplateHaskellQuasiquotes.hs new file mode 100644 index 00000000..6d404921 --- /dev/null +++ b/hypsrc-test/src/TemplateHaskellQuasiquotes.hs @@ -0,0 +1,39 @@ +{-# LANGUAGE TemplateHaskell #-} + +module TemplateHaskellQuasiquotes where + +import Language.Haskell.TH + +aDecl :: DecsQ +aDecl = [d| + bar :: $aType -> [ (Int, String) ] + bar $aPattern = $anExpression + |] + +aPattern :: PatQ +aPattern = [p| + [ aCrazyLongVariableName + , _unused + , (y, z) + , ( $aNumberPattern, "hello") + ] + |] + +aNumberPattern :: PatQ +aNumberPattern = [p| + w@v@4.5 + |] + +anExpression, anExpression2 :: ExpQ +anExpression = [e| + [ (1 + $anExpression2, "world") ] + |] +anExpression2 = [| (1 + round pi) |] + +aType :: TypeQ +aType = [t| + [ (Double, String) ] + |] + + + |