From: najamelan@... Date: 2016-07-18T12:59:58+00:00 Subject: [ruby-core:76395] [Ruby trunk Feature#12593] Allow compound assignements to work when destructuring arrays Issue #12593 has been reported by Naja Melan. ---------------------------------------- Feature #12593: Allow compound assignements to work when destructuring arrays https://bugs.ruby-lang.org/issues/12593 * Author: Naja Melan * Status: Open * Priority: Normal * Assignee: ---------------------------------------- ~~~ ruby a = [ 'a', 'b' ] b = [ 'c', 'd' ] def c return [ 'A', 'B' ], [ 'C', 'D' ] end a, b += c # -> would be awesome, but gives syntax error a, b = a + c.first, b + c.last # clunky and will call method twice... # current realistic use: t, tt = c a += t b += tt # desired result # p a == [ 'a', 'c', 'A', 'B' ] #-> true p b == [ 'b', 'd', 'C', 'D' ] #-> true ~~~ I would propose that as ~~~ ruby a, b = [ c, d ] # is equivalent to: a = c b = d a, b += [ c, d ] # would be equivalent to: a += c b += d ~~~ This not working surprised me. It could work with all compound assignment operators I think. Maybe even with some other operators. -- https://bugs.ruby-lang.org/ Unsubscribe: