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authorKrasimir Angelov <kr.angelov@gmail.com>2017-09-05 09:50:29 +0200
committerKrasimir Angelov <kr.angelov@gmail.com>2017-09-05 09:50:29 +0200
commit85cf2d9f5a1018219beb51c1172842cddda1f544 (patch)
treed25edd8cf31fe6baf29b47dac265c7e9a8e2eaeb /src/runtime/haskell-bind/PGF2.hsc
parenta5fe5b9378937a35fa7921c6ed62ec9efa059934 (diff)
added exprSize in the Haskell binding
Diffstat (limited to 'src/runtime/haskell-bind/PGF2.hsc')
-rw-r--r--src/runtime/haskell-bind/PGF2.hsc10
1 files changed, 8 insertions, 2 deletions
diff --git a/src/runtime/haskell-bind/PGF2.hsc b/src/runtime/haskell-bind/PGF2.hsc
index f2f1b4113..4990a1926 100644
--- a/src/runtime/haskell-bind/PGF2.hsc
+++ b/src/runtime/haskell-bind/PGF2.hsc
@@ -39,7 +39,7 @@ module PGF2 (-- * PGF
mkFloat,unFloat,
mkMeta,unMeta,
mkCId,
- exprHash,
+ exprHash, exprSize,
treeProbability,
-- ** Types
@@ -331,7 +331,13 @@ exprHash h (Expr c_expr touch1) =
touch1
return (fromIntegral h)
-
+exprSize :: Expr -> Int32
+exprSize (Expr c_expr touch1) =
+ unsafePerformIO $ do
+ size <- pgf_expr_size c_expr
+ touch1
+ return (fromIntegral size)
+
-----------------------------------------------------------------------------
-- Graphviz