U:RDoc::AnyMethod[iI"unscan:ETI"StringScanner#unscan;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"TSets the scan pointer to the previous position.  Only one previous position is ;TI"=remembered, and it changes with each scanning operation.;To:RDoc::Markup::BlankLineo:RDoc::Markup::Verbatim;	[I"*s = StringScanner.new('test string')
;TI"&s.scan(/\w+/)        # => "test"
;TI"s.unscan
;TI"$s.scan(/../)         # => "te"
;TI"#s.scan(/\d/)         # => nil
;TI"Us.unscan             # ScanError: unscan failed: previous match record not exist;T:@format0:
@fileI"ext/strscan/strscan.c;T:0@omit_headings_from_table_of_contents_below000[I"();T@FI"StringScanner;TcRDoc::NormalClass00