La comunità italiana dedicata a ruby

Le Ruby Facets sono una collezione di librerie che estendono e integrano quelle già esistenti.

Installazione

gem install facets

Esempi

      1.bit/s + 8.bytes/s    #=> 65.0 bit/s
      (1.bit/s).to(byte/s)   #=> 0.125 byte/s
      1.lb.to(kg)            #=> 0.45359237 kg
      1.m.s.to(m.s)          #=> 1 m s
      10.m/10.s              #=> 1 m/s
      10.meter/10.second     #=> 1 meter/second
      1.mile.to(km)          #=> 1.609344 km
      1.usd.to(twd)          #=> 33.275000380 twd
      1.cwt(:uk).to(lb(:uk)) #=> 112.0 lb
      1.cwt(:us).to(lb(:us)) #=> 100.0 lb
      with_unit_converter(:uk) {
        1.cwt.to(lb)         #=> 112.0 lb
      }
      with_unit_converter(:us) {
        1.cwt.to(lb)         #=> 100.0 lb
      }

[1,2,3].every + 3           #=> [4,5,6]
['a','b','c'].every.upcase  #=> ['A','B','C']

%w[a b c].each_permutation { |x| puts(x.join('')) }
    #=>   abc
    #=>   acb
    #=>   bac
    #=>   bca
    #=>   cab
    #=>   cba

numbers  = (1..3)
squares  = numbers.graph { |n| [n, n*n] }   #=> { =>1, 2=>4, 3=>9 }
sq_roots = numbers.graph { |n| [n*n, n] }   #=> { =>1, 4=>2, 9=>3 }

[1,1,2,3,3,4,5,5].occur(1)             #=> [2,4]
[1,1,2,3,3,4,5,5].occur(2)             #=> [1,3,5]
[1,1,2,3,3,4,5,5].occur(3)             #=> []
[1,2,2,3,3,3].occur(1..1)              #=> [1]
[1,2,2,3,3,3].occur(2..3)              #=> [2,3]
[1,1,2,3,3,4,5,5].occur { |n| n == 1 } #=> [2,4]
[1,1,2,3,3,4,5,5].occur { |n| n > 1 }  #=> [1,3,5]

[1,2,3].sum  #=> 6
[3,3,3].sum  #=> 9

String::Random.rand_letter  #=> "q" 
String::Random.rand_letter  #=> "r" 
String::Random.rand_letter  #=> "a" 

"this_is a test".camelcase             #=> "thisIsATest" 
"this_is a test".camelcase(true)       #=> "ThisIsATest" 
"this_is a test".camelcase(true, ' ')  #=> "This_isATest" 

"abcabcabc".index_all('a')  #=> [0,3,6]

"boy".plural     #=> boys
"tomato".plural  #=> tomatoes
"boys".singular      #=> boy
"tomatoes".singular  #=> tomato

"Alexsander".fuzzy_match( "Aleksander" )  #=> 0.9

Sito ufficiale