openlayers/openlayers — pull request #79 by pjeweb (2011-11-30 09:50:43+00:00)
Title: Solution for ...

http://stackoverflow.com/questions/8323576/openlayers-comparison-filter-object-property

Usecase:
new OpenLayers.Filter.Comparison({type: '==', property: function () { return this.baz.lorem; }, value: 'sit'})