frozen string literal ruby
# frozen_string_literal: true
class Foo
# ...
endfrozen string literal ruby
# frozen_string_literal: true
class Foo
# ...
endruby frozen_string_literal
# frozen_string_literal: true
"".frozen?
=> true
(+"").frozen?
=> false
"".dup.frozen?
=> falseCopyright © 2021 Codeinu
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