Hi - in my quest to understand the edgier details of Pharo (and Smalltalk) - and driven by fresh thoughts of completing exercism exercises - I was surprised to find that there is no #excludes: operation on collection to mirror the #includes: operation?
I was curious about this - its seems a strange omission? Of course I can inverse it with not, or do things a different way - but we have ifTrue: mirrored with ifFalse, empty/notEmpty so am I missing something? I wanted to write something like aString detect: [:c | ($0 to: $1) excludes: c] ifFound: aBlock. (Evaluate a block if the string isn’t all 0 and 1’s) Of course I can write this as: (aString reject: [:c | c = $0 | c = $1)) ifNotEmpty: aBlock But as recent messages in this vein have shown me (and taught me lots - thanks to those answering), the answer is often not what I thought. Tim
