Method: Mustermann::Pattern#peek

Defined in:
lib/mustermann/pattern.rb

#peek(string) ⇒ String?

Tries to match the pattern against the beginning of the string (as opposed to the full string). Will return the substring if it matches.

Examples:

pattern = Mustermann.new('/:name')
pattern.peek("/Frank/Sinatra") # => "/Frank"

Parameters:

  • string (String) —

    The string to match against

Returns:

  • (String, nil) —

    matched subsctring



128
129
130
131
 
# File 'lib/mustermann/pattern.rb', line 128

def peek(string)
  size = peek_size(string)
  string[0, size] if size
end