[ruby-trunk - Bug #10259] send を使った attr_writer への書き込みがで

Issue #10259 has been updated by Nobuyoshi N…

Related to Bug #10283: Calling define_method with a dynamic symbol
ending in = results in a NoMethodError when calling the method via
assignment, until called via send added


Bug #10259: send を使った attr_writer への書き込みができない場合がある
https://bugs.ruby-lang.org/issues/10259#change-49061

  • Author: Fumiaki Matsushima
  • Status: Closed
  • Priority: Normal
  • Assignee:
  • Category:
  • Target version:
  • ruby -v: 2.2.0dev, 2.2.0-preview1
  • Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN

class Hoge; attr_writer :a; end

Hoge.new.send(:"#{:a}=", 1)
# => 1 (ruby 2.1.2)
# hoge.rb:3:in `<main>': undefined method `a=' (ruby 2.2.0-preview1)