Mustermann::StringScanner::ScanResult#length

Parsed documentation:
View on GitHub
@example
  require 'mustermann/string_scanner'
  scanner = Mustermann::StringScanner.new('foo/bar')
  scanner.scan(:name).length # => 3
  scanner.getch.length       # => 1
  scanner.scan(:name).length # => 3

@return [Integer] length of the substring
Suggestions:
Please help! Open an issue on GitHub if this assessment is incorrect.