Fix crash when no scanning has been done #63
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`StringScanner.new("foo").named_captures` will crash because no regular
expression has been set. This commit returns an empty hash if no re is
set on the string scanner
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lol oops. I found the same crash as #61 |
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StringScanner.new("foo").named_captureswill crash because no regular expression has been set. This commit returns an empty hash if no re is set on the string scanner.We could probably also return
nil, but I'm not sure. I think an empty hash is probably right since most callers expect a hash to be returned.