From 4b4f69b9bfbd33556e23262f57cf6d944dfd9f63 Mon Sep 17 00:00:00 2001 From: Xavier Noria Date: Sun, 28 Mar 2010 04:08:54 +0200 Subject: AS guide: warns about the singleton classes of nil, true, and false according to what http://redmine.ruby-lang.org/repositories/diff/ruby-19/object.c?rev=27022 blesses --- railties/guides/source/active_support_core_extensions.textile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'railties/guides/source') diff --git a/railties/guides/source/active_support_core_extensions.textile b/railties/guides/source/active_support_core_extensions.textile index 0a9374e028..a8410a8dd2 100644 --- a/railties/guides/source/active_support_core_extensions.textile +++ b/railties/guides/source/active_support_core_extensions.textile @@ -210,7 +210,7 @@ String.new.singleton_class # => #> WARNING: Fixnums and symbols have no singleton classes, +singleton_class+ -raises +TypeError+ on them. +raises +TypeError+ on them. Moreover, the singleton classes of +nil+, +true+, and +false+, are +NilClass+, +TrueClass+, and +FalseClass+, respectively. NOTE: Defined in +active_support/core_ext/object/singleton_class.rb+. -- cgit v1.2.3