Hi Kasper, Thanks for your reply!
> Sorry, but which version of Pharo are we talking about. Sorry, I forgot to say that I am still using Pharo 9. > I just tried with Pharo 10, which has no flatten method for arrays at Interesting. So I double-checked - and found that the "flatten" in my image actually comes from an add-on package called CollectionExtensions (https://github.com/pharo-contributions/CollectionExtensions/blob/master/src/CollectionExtensions/Collection.extension.st). So I will complain there :-) > I am not going to comment on naming of such core api methods - they tend to > have > a 40 year history of forgotten arguments and random “clean ups”. I agree, I didn't expect any level of homogeneous naming. Just an agreement between code and documentation. Cheers, Konrad
