Random::String

Public Class Methods

included(base) click to toggle source

     # File lib/more/facets/random.rb, line 352
352:     def self.included(base)
353:       base.extend(Self)
354:     end

Public Instance Methods

at_rand( separator=// ) click to toggle source

Return a random separation of the string. Default separation is by charaacter.

  "Ruby rules".at_rand(' ')  #=> ["Ruby"]

     # File lib/more/facets/random.rb, line 400
400:     def at_rand( separator=// )
401:       #separator = self.class.patterns( separator )
402:       self.split(separator,1).at_rand
403:     end

at_rand!( separator=// ) click to toggle source

Return a random separation while removing it from the string. Default separation is by character.

  s = "Ruby rules"
  s = at_rand!(' ')  #=> "Ruby"
  s                  #=> "rules"

     # File lib/more/facets/random.rb, line 412
412:     def at_rand!( separator=// )
413:       #separator = self.class.patterns( separator )
414:       a = self.shatter( separator )
415:       w = []; a.each_with_index { |s,i| i % 2 == 0 ? w << s : w.last << s }
416:       i = Random.number(w.size)
417:       r = w.delete_at( i )
418:       self.replace( w.join('') )
419:       return r
420:     end

rand_byte() click to toggle source

Return a random byte of self.

  "Ruby rules".rand_byte  #=> 121

     # File lib/more/facets/random.rb, line 426
426:     def rand_byte
427:       self[Random.number(size)]
428:     end

rand_byte!() click to toggle source

Destructive rand_byte. Delete a random byte of self and return it.

  s = "Ruby rules"
  s.rand_byte!      #=> 121
  s                 #=> "Rub rules"

     # File lib/more/facets/random.rb, line 436
436:     def rand_byte!
437:       i = Random.number(size)
438:       rv = self[i,1]
439:       self[i,1] = ''
440:       rv
441:     end

rand_index() click to toggle source

Return a random string index.

  "Ruby rules".rand_index  #=> 3

     # File lib/more/facets/random.rb, line 447
447:     def rand_index
448:       Random.number(size)
449:     end

shuffle(separator=//) click to toggle source

Return the string with seperated sections arranged in a random order. The default seperation is by character.

  "Ruby rules".shuffle  #=> "e lybRsuur"

     # File lib/more/facets/random.rb, line 456
456:     def shuffle(separator=//)
457:       split(separator).shuffle.join('')
458:     end

shuffle!(separator=//) click to toggle source

In place version of shuffle.

     # File lib/more/facets/random.rb, line 462
462:     def shuffle!(separator=//)
463:       self.replace( shuffle(separator) )
464:     end

Home Classes Methods

In Files

Namespace

Methods

Class Index

Random::String

Public Class Methods

Public Instance Methods