Explicitly declare support for Ruby >= 2.0.0

ivoanjo · nobu · commit 6974495d294c · 2021-02-10T11:54:45.000+09:00
This can be used to clarify support, as well as in the future to drop
support for rubies, if so desired.
diff --git a/ruby2_keywords.gemspec b/ruby2_keywords.gemspec
@@ -19,6 +19,7 @@ Gem::Specification.new do |s|
   s.files = [
     "lib/ruby2_keywords.rb",
   ]
+  s.required_ruby_version = '>= 2.0.0'
   s.add_development_dependency 'test-unit', '>= 2.2'
   s.add_development_dependency 'rake'
 end

Original file line number	Diff line number	Diff line change
`@@ -19,6 +19,7 @@ Gem::Specification.new do \|s\|`
`19`	`19`	`s.files = [`
`20`	`20`	`"lib/ruby2_keywords.rb",`
`21`	`21`	`]`
	`22`	`+ s.required_ruby_version = '>= 2.0.0'`
`22`	`23`	`s.add_development_dependency 'test-unit', '>= 2.2'`
`23`	`24`	`s.add_development_dependency 'rake'`
`24`	`25`	`end`