# HG changeset patch
# User smolkas
# Date 1373631487 -7200
# Node ID 1e930ee99b0cc9b6df3b1357cedfaca9deee1f5b
# Parent  3046da935eae8d57b09c23c8618e2830db393e0d
added |>! and #>! for convenient printing of timing information

diff -r 3046da935eae -r 1e930ee99b0c src/HOL/Tools/Sledgehammer/sledgehammer_util.ML
--- a/src/HOL/Tools/Sledgehammer/sledgehammer_util.ML	Fri Jul 12 14:18:07 2013 +0200
+++ b/src/HOL/Tools/Sledgehammer/sledgehammer_util.ML	Fri Jul 12 14:18:07 2013 +0200
@@ -4,6 +4,8 @@
 General-purpose functions used by the Sledgehammer modules.
 *)
 
+infix 1 |>! #>!
+
 signature SLEDGEHAMMER_UTIL =
 sig
   val sledgehammerN : string
@@ -31,6 +33,12 @@
   val max : ('a * 'a -> order) -> 'a -> 'a -> 'a
   val max_option : ('a * 'a -> order) -> 'a option -> 'a option -> 'a option
   val max_list : ('a * 'a -> order) -> 'a list -> 'a option
+
+  (** debugging **)
+  val print_timing : ('a -> 'b) -> 'a -> 'b
+  (* infix versions of print_timing; meant to replace '|>' and '#>' *)
+  val |>! : 'a * ('a -> 'b) -> 'b
+  val #>! : ('a -> 'b) * ('b -> 'c) -> 'a -> 'c
 end;
 
 structure Sledgehammer_Util : SLEDGEHAMMER_UTIL =
@@ -165,4 +173,14 @@
 
 fun max_list ord xs = fold (SOME #> max_option ord) xs NONE
 
+(** debugging **)
+fun print_timing f x =
+  Timing.timing f x
+  |>> Timing.message
+  |>> warning
+  |> snd
+
+fun x |>! f = print_timing f x
+fun (f #>! g) x = x |> f |>! g
+
 end;