[Xen-API] [PATCH] forward pipe operator

[David Scott <dave.scott@xxxxxxxxxxxxx>]

# HG changeset patch
# User Jonathan Knowles <jonathan.knowles@xxxxxxxxxxxxx>
# Date 1282568287 -3600
# Node ID 630c51dcfc241050ce34303920291b837671cd42
# Parent  08e77bc9468cd5b7e364b86d54140f5b7e33fb61
Adds a forward pipe operator to the higher-order function library. The forward 
pipe operator facilitates left-to-right function composition.

Signed-off-by: Jonathan Knowles <jonathan.knowles@xxxxxxxxxxxxx>

diff -r 08e77bc9468c -r 630c51dcfc24 stdext/fun.ml
--- a/stdext/fun.ml     Mon Aug 23 13:56:55 2010 +0100
+++ b/stdext/fun.ml     Mon Aug 23 13:58:07 2010 +0100
@@ -17,4 +17,6 @@
 let comp2 f g a b = f (g a b)
 let (+++) f g a b = comp2 f g a b
 
+let (|>) a f = f a
+
 let ($) f a = f a
diff -r 08e77bc9468c -r 630c51dcfc24 stdext/fun.mli
--- a/stdext/fun.mli    Mon Aug 23 13:56:55 2010 +0100
+++ b/stdext/fun.mli    Mon Aug 23 13:58:07 2010 +0100
@@ -7,4 +7,6 @@
 val comp2 : ('b -> 'c) -> ('a1 -> 'a2 -> 'b) -> ('a1 -> 'a2 -> 'c)
 val (+++) : ('c -> 'd) -> ('a -> 'b -> 'c) -> 'a -> 'b -> 'd
 val (++) : ('b -> 'c) -> ('a -> 'b) -> 'a -> 'c
+(** Forward pipe operator: facilitates left-to-right function composition. *)
+val (|>) : 'a -> ('a -> 'b) -> 'b
 val ($) : ('a -> 'b) -> 'a -> 'b
 stdext/fun.ml  |  2 ++
 stdext/fun.mli |  2 ++
 2 files changed, 4 insertions(+), 0 deletions(-)

xen-api-libs.hg.patch
Description: Text Data

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