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select%21-c.ri
U:RDoc::AnyMethod[iI" select!:ETI"ENV::select!;TT: publico:RDoc::Markup::Document: @parts[ o: RDoc::Markup::Paragraph; [I"-ENV.filter! is an alias for ENV.select!.;To: RDoc::Markup::BlankLine o; ; [I"OYields each environment variable name and its value as a 2-element Array, ;TI"Gdeleting each entry for which the block returns +false+ or +nil+, ;TI"Aand returning ENV if any deletions made, or +nil+ otherwise:;T@o:RDoc::Markup::Verbatim; [I";ENV.replace('foo' => '0', 'bar' => '1', 'baz' => '2') ;TI"BENV.select! { |name, value| name.start_with?('b') } # => ENV ;TI"'ENV # => {"bar"=>"1", "baz"=>"2"} ;TI"1ENV.select! { |name, value| true } # => nil ;TI" ;TI";ENV.replace('foo' => '0', 'bar' => '1', 'baz' => '2') ;TI"BENV.filter! { |name, value| name.start_with?('b') } # => ENV ;TI"'ENV # => {"bar"=>"1", "baz"=>"2"} ;TI"1ENV.filter! { |name, value| true } # => nil ;T: @format0o; ; [I"-Returns an Enumerator if no block given:;T@o; ; [I";ENV.replace('foo' => '0', 'bar' => '1', 'baz' => '2') ;TI"Je = ENV.select! # => #<Enumerator: {"bar"=>"1", "baz"=>"2"}:select!> ;TI"=e.each { |name, value| name.start_with?('b') } # => ENV ;TI"'ENV # => {"bar"=>"1", "baz"=>"2"} ;TI",e.each { |name, value| true } # => nil ;TI" ;TI";ENV.replace('foo' => '0', 'bar' => '1', 'baz' => '2') ;TI"Je = ENV.filter! # => #<Enumerator: {"bar"=>"1", "baz"=>"2"}:filter!> ;TI"=e.each { |name, value| name.start_with?('b') } # => ENV ;TI"'ENV # => {"bar"=>"1", "baz"=>"2"} ;TI"+e.each { |name, value| true } # => nil;T; 0: @fileI" hash.c;T:0@omit_headings_from_table_of_contents_below0I"ÎENV.select! { |name, value| block } -> ENV or nil ENV.select! -> an_enumerator ENV.filter! { |name, value| block } -> ENV or nil ENV.filter! -> an_enumerator ;T0[ I"();T@/FI"ENV;TcRDoc::NormalClass00