benchmarks/string: Updated bench scripts for strings

[nit.git] / benchmarks / strings / array_to_s_vars / array_to_s_rope.nit

diff --git a/benchmarks/strings/array_to_s_vars/array_to_s_rope.nit b/benchmarks/strings/array_to_s_vars/array_to_s_rope.nit
index c162dff..9f86a8a 100644 (file)
--- a/benchmarks/strings/array_to_s_vars/array_to_s_rope.nit
+++ b/benchmarks/strings/array_to_s_vars/array_to_s_rope.nit
@@ -13,19 +13,21 @@
 # To be used as a Mixin at compile-time for benchmarking purposes.
 module array_to_s_rope
 
+intrude import standard::collection::array
+intrude import standard::ropes
+
 redef class Array[E]
 
        redef fun to_s do
-               var i = 1
                var l = length
+               var it = _items
                if l == 0 then return ""
-               var s: String = new RopeString.from(self[0].to_s)
-               var its = _items
-               while i < l do
-                       var e = its[i]
-                       if e != null then s += e.to_s
-                       i += 1
+               if l == 1 then return it[0].to_s
+               var c = new Concat(it[0].to_s, it[1].to_s)
+               for i in [2 .. l[ do
+                       c = new Concat(c, it[i].to_s)
                end
-               return s
+               return c
        end
+
 end