tree d545f21659fd75111bc9024e4109bb7c9343dbf2
parent bb691420c88f0fbe3035acc92dceba5b32bf7fb3
author kevmoo@google.com <kevmoo@google.com> 1398764560 +0000
committer kevmoo@google.com <kevmoo@google.com> 1398764560 +0000

pkg/collection: define delegating collection constructors as const

Allows creating a singleton const instance for common values

R=lrn@google.com

Review URL: https://codereview.chromium.org//252133002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/collection@35517 260f80e4-7a28-3924-810f-c04153c831b5