From: zn@... Date: 2020-02-18T02:30:46+00:00 Subject: [ruby-core:97186] [Ruby master Bug#16639] ARGF.each_line(chomp: true) cannot call without warning Issue #16639 has been reported by znz (Kazuhiro NISHIYAMA). ---------------------------------------- Bug #16639: ARGF.each_line(chomp: true) cannot call without warning https://bugs.ruby-lang.org/issues/16639 * Author: znz (Kazuhiro NISHIYAMA) * Status: Open * Priority: Normal * ruby -v: ruby 2.7.0p0 (2019-12-25 revision 647ee6f091) [x86_64-darwin18] * Backport: 2.5: UNKNOWN, 2.6: UNKNOWN, 2.7: UNKNOWN ---------------------------------------- `ARGF.each_line` with keyword arguments shows warnings on 2.7.0, and does not work on current master. ``` $ ruby -v ruby 2.7.0p0 (2019-12-25 revision 647ee6f091) [x86_64-darwin18] $ ruby -e 'p ARGF.each_line(chomp: true).first' < /etc/hosts -e:1: warning: Using the last argument as keyword parameters is deprecated "##" $ ruby -e 'p ARGF.each_line({chomp: true}).first' < /etc/hosts -e:1: warning: Using the last argument as keyword parameters is deprecated "##" $ ruby -e 'p ARGF.each_line(**{chomp: true}).first' < /etc/hosts -e:1: warning: Using the last argument as keyword parameters is deprecated "##" ``` `IO#each_line(chomp: true)` does not show warnings, and works on current master. ``` ruby -e 'p ARGF.to_io.each_line(chomp: true).first' < /etc/hosts "##" ``` -- https://bugs.ruby-lang.org/ Unsubscribe: