U:RDoc::AnyMethod[iI"flatten:ETI"Array#flatten;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"CReturns a new \Array that is a recursive flattening of +self+:;To:RDoc::Markup::List:
@type:BULLET:@items[o:RDoc::Markup::ListItem:@label0;	[o;
;	[I")Each non-Array element is unchanged.;To;;0;	[o;
;	[I"8Each \Array is replaced by its individual elements.;To:RDoc::Markup::BlankLineo;
;	[I"^With non-negative \Integer argument +level+, flattens recursively through +level+ levels:;To:RDoc::Markup::Verbatim;	[
I"$a = [ 0, [ 1, [2, 3], 4 ], 5 ]
;TI".a.flatten(0) # => [0, [1, [2, 3], 4], 5]
;TI"$a = [ 0, [ 1, [2, 3], 4 ], 5 ]
;TI",a.flatten(1) # => [0, 1, [2, 3], 4, 5]
;TI"$a = [ 0, [ 1, [2, 3], 4 ], 5 ]
;TI"*a.flatten(2) # => [0, 1, 2, 3, 4, 5]
;TI"$a = [ 0, [ 1, [2, 3], 4 ], 5 ]
;TI"*a.flatten(3) # => [0, 1, 2, 3, 4, 5]
;T:@format0o;
;	[I"`With no argument, a +nil+ argument, or with negative argument +level+, flattens all levels:;To;;	[
I"$a = [ 0, [ 1, [2, 3], 4 ], 5 ]
;TI"'a.flatten # => [0, 1, 2, 3, 4, 5]
;TI"&[0, 1, 2].flatten # => [0, 1, 2]
;TI"$a = [ 0, [ 1, [2, 3], 4 ], 5 ]
;TI"+a.flatten(-1) # => [0, 1, 2, 3, 4, 5]
;TI"$a = [ 0, [ 1, [2, 3], 4 ], 5 ]
;TI"+a.flatten(-2) # => [0, 1, 2, 3, 4, 5]
;TI")[0, 1, 2].flatten(-1) # => [0, 1, 2];T;0:
@fileI"array.c;T:0@omit_headings_from_table_of_contents_below0I"Barray.flatten -> new_array
array.flatten(level) -> new_array
;T0[I"(*args);T@5FI"
Array;TcRDoc::NormalClass00