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//opt/alt/ruby27/share/ri/system/ENV/each_key-c.ri

 U:RDoc::AnyMethod[iI"
each_key:ETI"ENV::each_key;TT:privateo:RDoc::Markup::Document:@parts[	o:RDoc::Markup::Paragraph;	[I"+Yields each environment variable name:;To:RDoc::Markup::Verbatim;	[	I"6ENV.replace('foo' => '0', 'bar' => '1') # => ENV
;TI"names = []
;TI"7ENV.each_key { |name| names.push(name) } # => ENV
;TI"names # => ["bar", "foo"]
;T:@format0o;
;	[I"-Returns an Enumerator if no block given:;To;;	[	I"Le = ENV.each_key # => #<Enumerator: {"bar"=>"1", "foo"=>"0"}:each_key>
;TI"names = []
;TI"1e.each { |name| names.push(name) } # => ENV
;TI"names # => ["bar", "foo"];T;0:
@fileI"hash.c;T:0@omit_headings_from_table_of_contents_below0I"VENV.each_key { |name| block } -> ENV
ENV.each_key                  -> Enumerator
;T0[�I"();T@FI"ENV;TcRDoc::NormalClass00