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: / proc / self / root / opt / alt / ruby34 / share / ri / system / ENV /
Filename : delete-c.ri
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U:RDoc::AnyMethod[iI"delete:ETI"ENV::delete;TT:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"UDeletes the environment variable with +name+ if it exists and returns its value:;To:RDoc::Markup::Verbatim;	[I"ENV['foo'] = '0'
;TI" ENV.delete('foo') # => '0'
;T:@format0o;
;	[I"^If a block is not given and the named environment variable does not exist, returns +nil+.;To:RDoc::Markup::BlankLine�o;
;	[I"CIf a block given and the environment variable does not exist, ;TI"Cyields +name+ to the block and returns the value of the block:;To;;	[I"9ENV.delete('foo') { |name| name * 2 } # => "foofoo"
;T;0o;
;	[I";If a block given and the environment variable exists, ;TI"Qdeletes the environment variable and returns its value (ignoring the block):;To;;	[I"ENV['foo'] = '0'
;TI";ENV.delete('foo') { |name| raise 'ignored' } # => "0"
;T;0o;
;	[I"/Raises an exception if +name+ is invalid. ;TI"KSee {Invalid Names and Values}[rdoc-ref:ENV@Invalid+Names+and+Values].;T:
@fileI"hash.c;T:0@omit_headings_from_table_of_contents_below0I"�ENV.delete(name)                           -> value
ENV.delete(name) { |name| block }          -> value
ENV.delete(missing_name)                   -> nil
ENV.delete(missing_name) { |name| block }  -> block_value
;T0[�I"	(p1);T@)FI"ENV;TcRDoc::NormalClass00