From: usa@... Date: 2018-03-18T15:00:50+00:00 Subject: [ruby-core:86183] [Ruby trunk Bug#13925] string.split(pattern, 1) should return [self.dup], but it returns [self] Issue #13925 has been updated by usa (Usaku NAKAMURA). Backport changed from 2.2: REQUIRED, 2.3: REQUIRED, 2.4: DONE to 2.2: REQUIRED, 2.3: DONE, 2.4: DONE ruby_2_3 r62818 merged revision(s) 60000,60001,60002. ---------------------------------------- Bug #13925: string.split(pattern, 1) should return [self.dup], but it returns [self] https://bugs.ruby-lang.org/issues/13925#change-71069 * Author: tompng (tomoya ishida) * Status: Closed * Priority: Normal * Assignee: * Target version: * ruby -v: ruby 2.4.2p198 (2017-09-14 revision 59899) [x86_64-darwin16] * Backport: 2.2: REQUIRED, 2.3: DONE, 2.4: DONE ---------------------------------------- ```ruby msg = 'abababababa' msg.split('b', 4).map(&:upcase!) # won't overwrite msg puts msg # abababababa (expected) msg.split('b', 1).map(&:upcase!) # this overwrites msg puts msg # ABABABABABA (abababababa is expected) ``` I wrote a patch for this. ---Files-------------------------------- split_limit_1.patch (352 Bytes) partition_rpartition.patch (842 Bytes) -- https://bugs.ruby-lang.org/ Unsubscribe: