ruby-changes:25443
From: marcandre <ko1@a...>
Date: Wed, 7 Nov 2012 02:10:54 +0900 (JST)
Subject: [ruby-changes:25443] marcandRe: r37500 (trunk): * array.c: Support for Enumerator#size in trivial cases:
marcandre 2012-11-07 02:10:50 +0900 (Wed, 07 Nov 2012) New Revision: 37500 http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=37500 Log: * array.c: Support for Enumerator#size in trivial cases: each, each_index, reverse_each, sort_by, collect, collect!, select, select!, keep_if, reject, reject!, delete_if [Feature #6636] Modified files: trunk/array.c trunk/test/ruby/test_enumerator.rb Index: array.c =================================================================== --- array.c (revision 37499) +++ array.c (revision 37500) @@ -1563,7 +1563,7 @@ long i; volatile VALUE ary = array; - RETURN_ENUMERATOR(ary, 0, 0); + RETURN_SIZED_ENUMERATOR(ary, 0, 0, rb_ary_length); for (i=0; i<RARRAY_LEN(ary); i++) { rb_yield(RARRAY_PTR(ary)[i]); } @@ -1592,7 +1592,7 @@ rb_ary_each_index(VALUE ary) { long i; - RETURN_ENUMERATOR(ary, 0, 0); + RETURN_SIZED_ENUMERATOR(ary, 0, 0, rb_ary_length); for (i=0; i<RARRAY_LEN(ary); i++) { rb_yield(LONG2NUM(i)); @@ -1620,7 +1620,7 @@ { long len; - RETURN_ENUMERATOR(ary, 0, 0); + RETURN_SIZED_ENUMERATOR(ary, 0, 0, rb_ary_length); len = RARRAY_LEN(ary); while (len--) { rb_yield(RARRAY_PTR(ary)[len]); @@ -2291,7 +2291,7 @@ { VALUE sorted; - RETURN_ENUMERATOR(ary, 0, 0); + RETURN_SIZED_ENUMERATOR(ary, 0, 0, rb_ary_length); rb_ary_modify(ary); sorted = rb_block_call(ary, rb_intern("sort_by"), 0, 0, sort_by_i, 0); rb_ary_replace(ary, sorted); @@ -2325,7 +2325,7 @@ long i; VALUE collect; - RETURN_ENUMERATOR(ary, 0, 0); + RETURN_SIZED_ENUMERATOR(ary, 0, 0, rb_ary_length); collect = rb_ary_new2(RARRAY_LEN(ary)); for (i = 0; i < RARRAY_LEN(ary); i++) { rb_ary_push(collect, rb_yield(RARRAY_PTR(ary)[i])); @@ -2358,7 +2358,7 @@ { long i; - RETURN_ENUMERATOR(ary, 0, 0); + RETURN_SIZED_ENUMERATOR(ary, 0, 0, rb_ary_length); rb_ary_modify(ary); for (i = 0; i < RARRAY_LEN(ary); i++) { rb_ary_store(ary, i, rb_yield(RARRAY_PTR(ary)[i])); @@ -2441,7 +2441,7 @@ VALUE result; long i; - RETURN_ENUMERATOR(ary, 0, 0); + RETURN_SIZED_ENUMERATOR(ary, 0, 0, rb_ary_length); result = rb_ary_new2(RARRAY_LEN(ary)); for (i = 0; i < RARRAY_LEN(ary); i++) { if (RTEST(rb_yield(RARRAY_PTR(ary)[i]))) { @@ -2472,7 +2472,7 @@ { long i1, i2; - RETURN_ENUMERATOR(ary, 0, 0); + RETURN_SIZED_ENUMERATOR(ary, 0, 0, rb_ary_length); rb_ary_modify(ary); for (i1 = i2 = 0; i1 < RARRAY_LEN(ary); i1++) { VALUE v = RARRAY_PTR(ary)[i1]; @@ -2508,7 +2508,7 @@ static VALUE rb_ary_keep_if(VALUE ary) { - RETURN_ENUMERATOR(ary, 0, 0); + RETURN_SIZED_ENUMERATOR(ary, 0, 0, rb_ary_length); rb_ary_select_bang(ary); return ary; } @@ -2737,7 +2737,7 @@ static VALUE rb_ary_reject_bang(VALUE ary) { - RETURN_ENUMERATOR(ary, 0, 0); + RETURN_SIZED_ENUMERATOR(ary, 0, 0, rb_ary_length); return ary_reject_bang(ary); } @@ -2759,7 +2759,7 @@ { VALUE rejected_ary; - RETURN_ENUMERATOR(ary, 0, 0); + RETURN_SIZED_ENUMERATOR(ary, 0, 0, rb_ary_length); rejected_ary = rb_ary_new(); ary_reject(ary, rejected_ary); return rejected_ary; @@ -2786,7 +2786,7 @@ static VALUE rb_ary_delete_if(VALUE ary) { - RETURN_ENUMERATOR(ary, 0, 0); + RETURN_SIZED_ENUMERATOR(ary, 0, 0, rb_ary_length); ary_reject_bang(ary); return ary; } Index: test/ruby/test_enumerator.rb =================================================================== --- test/ruby/test_enumerator.rb (revision 37499) +++ test/ruby/test_enumerator.rb (revision 37500) @@ -420,5 +420,14 @@ assert_equal 42, enum.with_index.size assert_equal 42, enum.with_object(:foo).size end + + def test_size_for_enum_created_from_array + arr = %w[hello world] + %i[each each_with_index reverse_each sort_by! sort_by map map! + keep_if reject! reject select! select delete_if].each do |method| + assert_equal arr.size, arr.send(method).size + end + end + end -- ML: ruby-changes@q... Info: http://www.atdot.net/~ko1/quickml/