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authorBen Gamari <ben@smart-cactus.org>2021-02-06 18:30:35 -0500
committerBen Gamari <ben@smart-cactus.org>2021-02-06 18:30:35 -0500
commitb995bfe84f9766e23ff78d7ccd520ec7d8cdbebc (patch)
tree3e7f15ac3b0abe417797ec89275aa1209f6ca297 /hypsrc-test/src/TemplateHaskellQuasiquotes.hs
parent9f597b6647a53624eaf501a34bfb4d8d15425929 (diff)
parent010f0320dff64e3f86091ba4691bc69ce6999647 (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.hs39
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) ]
+ |]
+
+
+