[Reference][Constraints] validate null
(Expression constraint in 2.6)#4204
Merged
weaverryan merged 1 commit intosymfony:masterfrom Oct 19, 2014
Merged
[Reference][Constraints] validate `null` (Expression constraint in 2.6)#4204weaverryan merged 1 commit intosymfony:masterfrom
weaverryan merged 1 commit intosymfony:masterfrom