[Pkg-libvirt-commits] [libguestfs] 37/78: mllib: utils: Add mapi function.

[Hilko Bengen]

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bengen pushed a commit to branch experimental
in repository libguestfs.

commit 55437e459b80f3805925d42c5ab6ae0f63386360
Author: Richard W.M. Jones <rjones at redhat.com>
Date:   Thu Apr 3 12:23:37 2014 +0100

    mllib: utils: Add mapi function.
    
    This is List.mapi from the stdlib.  RHEL 6 did not have this function.
---
 mllib/common_utils.ml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/mllib/common_utils.ml b/mllib/common_utils.ml
index 094ef10..3b15868 100644
--- a/mllib/common_utils.ml
+++ b/mllib/common_utils.ml
@@ -174,6 +174,14 @@ let iteri f xs =
   in
   loop 0 xs
 
+let rec mapi i f =
+  function
+  | [] -> []
+  | a::l ->
+    let r = f i a in
+    r :: mapi (i + 1) f l
+let mapi f l = mapi 0 f l
+
 (* Timestamped progress messages, used for ordinary messages when not
  * --quiet.
  *)

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