array.c (ary_ensure_room_for_push): make array really suitable for
queue. [Feature #6638]
when array is shared (which happens after Array#shift), and
ARY_SHARED_NUM == 1 (which is very often when array used as queue),
then make rb_ary_push push directly into shared array.
Added by nobu (Nobuyoshi Nakada) over 11 years ago
array.c: make array really suitable for queue
queue. [Feature #6638]
when array is shared (which happens after Array#shift), and
ARY_SHARED_NUM == 1 (which is very often when array used as queue),
then make rb_ary_push push directly into shared array.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37582 b2dd03c8-39d4-4d8f-98ff-823fe69b080e