From: localhostdotdev@... Date: 2019-04-07T20:24:21+00:00 Subject: [ruby-core:92187] [Ruby trunk Bug#15753] unknown keyword when passing an hash to a method that accepts a default argument and a named argument Issue #15753 has been reported by localhostdotdev (localhost .dev). ---------------------------------------- Bug #15753: unknown keyword when passing an hash to a method that accepts a default argument and a named argument https://bugs.ruby-lang.org/issues/15753 * Author: localhostdotdev (localhost .dev) * Status: Open * Priority: Normal * Assignee: * Target version: * ruby -v: ruby 2.7.0dev (2019-03-18 trunk 67296) [x86_64-darwin17] / ruby 2.6.2p47 (2019-03-13 revision 67232) [x86_64-darwin17] * Backport: 2.4: UNKNOWN, 2.5: UNKNOWN, 2.6: UNKNOWN ---------------------------------------- e.g. ```ruby >> def a(b = {}, c: 1); p [b, c]; end; a(a: 1) Traceback (most recent call last): 3: from (irb):3 2: from (irb):3:in `rescue in irb_binding' 1: from (irb):3:in `a' ArgumentError (unknown keyword: a) ``` Prettier version: ```ruby def do_something(thing = {}, force: true) # doing things end do_something({ user: { id: 1 } }) # => ArgumentError (unknown keyword: user) ``` Tested on ruby-head from ~1 month ago and ruby 2.6.2 -- https://bugs.ruby-lang.org/ Unsubscribe: