From 16d301bab5b7dec53be4786b3b6815bca54ae539 Mon Sep 17 00:00:00 2001
From: Guillaume Melquiond
Date: Thu, 23 Apr 2015 14:55:11 +0200
Subject: Remove almost all the uses of string concatenation when building
 error messages.

Since error messages are ultimately passed to Format, which has its own
buffers for concatenating strings, using concatenation for preparing error
messages just doubles the workload and increases memory pressure.
---
 lib/errors.ml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'lib/errors.ml')

diff --git a/lib/errors.ml b/lib/errors.ml
index 13f3916477..999d99ee08 100644
--- a/lib/errors.ml
+++ b/lib/errors.ml
@@ -69,12 +69,12 @@ let rec print_gen bottom stk e =
 let where = function
 | None -> mt ()
 | Some s ->
-  if !Flags.debug then str ("in "^s^":") ++ spc () else mt ()
+  if !Flags.debug then str "in " ++ str s ++ str ":" ++ spc () else mt ()
 
 let raw_anomaly e = match e with
   | Anomaly (s, pps) -> where s ++ pps ++ str "."
-  | Assert_failure _ | Match_failure _ -> str (Printexc.to_string e ^ ".")
-  | _ -> str ("Uncaught exception " ^ Printexc.to_string e ^ ".")
+  | Assert_failure _ | Match_failure _ -> str (Printexc.to_string e) ++ str "."
+  | _ -> str "Uncaught exception " ++ str (Printexc.to_string e) ++ str "."
 
 let print_backtrace e = match Backtrace.get_backtrace e with
 | None -> mt ()
-- 
cgit v1.2.3