Eliot Miranda uploaded a new version of Collections to project The Trunk: http://source.squeak.org/trunk/Collections-eem.920.mcz
==================== Summary ====================
Name: Collections-eem.920 Author: eem Time: 2 December 2020, 9:49:01.130251 pm UUID: 3767683c-33f6-4874-9e6c-83719db04fe3 Ancestors: Collections-mt.919
Add Symbol>>isMessageSelector, implemented in terms of Scanner class>>isMessageSelector:
=============== Diff against Collections-mt.919 ===============
Item was added: + ----- Method: Symbol>>isMessageSelector (in category 'testing') ----- + isMessageSelector + "Answer if the receiver is a valid message selector. This method is not perfect. + The compiler does allow all caps to be selectors but these are not included. + If AllowUnderscoreSelectors is true then _ is a valid selector but this will be excluded + also. But it is IMO more useful to exclude class names and hence exclude some rarely + used selectors than to erroneously identify class names as message selectors." + + ^Scanner isMessageSelector: self!