benchmarks/strings/array_to_s_vars/array_to_s_rope_buf.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # This file is free software, which comes along with NIT.  This software is
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   6 # PARTICULAR PURPOSE.  You can modify it is you want,  provided this header
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   9 # another product.
  10
  11 # Implementation of Array::to_s with RopeBuffer exclusively
  12 #
  13 # To be used as a Mixin at compile-time for benchmarking purposes.
  14 module array_to_s_rope_buf
  15
  16 intrude import standard::collection::array
  17 import standard::ropes
  18
  19 redef class Array[E]
  20         redef fun to_s: String do
  21                 var s = new RopeBuffer
  22                 var i = 0
  23                 var l = length
  24                 var its = _items
  25                 while i < l do
  26                         var e = its[i]
  27                         if e != null then s.append(e.to_s)
  28                         i += 1
  29                 end
  30                 return s.to_s
  31         end
  32 end