From: "akr (Akira Tanaka) via ruby-core" Date: 2023-09-19T16:26:00+00:00 Subject: [ruby-core:114820] [Ruby master Feature#19839] Need a method to check if two ranges overlap Issue #19839 has been updated by akr (Akira Tanaka). `Range` has two semantics: succ-based and cover-based. `none?` is succ-based because it is implemented in `Enumerable` which uses `each` method which uses `succ` in Range. `overlap?` is cover-based. It uses comparison (<=>). The two semantics sometimes cause inconsistent behavior. It is difficult to make them consistent completely. ---------------------------------------- Feature #19839: Need a method to check if two ranges overlap https://bugs.ruby-lang.org/issues/19839#change-104665 * Author: shouichi (Shouichi Kamiya) * Status: Closed * Priority: Normal ---------------------------------------- It would be convenient to have a method that checks if two ranges overlap. For example, ``` (0..10).overlap?(5..15) #=> true (0..10).overlap?(20..30) #=> false ``` -- https://bugs.ruby-lang.org/ ______________________________________________ ruby-core mailing list -- ruby-core@ml.ruby-lang.org To unsubscribe send an email to ruby-core-leave@ml.ruby-lang.org ruby-core info -- https://ml.ruby-lang.org/mailman3/postorius/lists/ruby-core.ml.ruby-lang.org/