tree 4a286673068326d7ffae44b65e5f10b081f9d37e
parent 2d6c90a6b3d6d1be5095e12a0a633305e1d5db2a
author Florian Loitsch <floitsch@google.com> 1488289298 +0100
committer Florian Loitsch <floitsch@google.com> 1488289298 +0100

Add documentation for mutating operations of unmodifiable maps.

Simply states that the operation is not supported.

Fixed #28918
BUG= http://dartbug.com/28918
R=lrn@google.com

Review-Url: https://codereview.chromium.org/2722613004 .