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:Enumerableライブラリ
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Enumerable
# uniq -> Array (6101.0) -
self から重複した値を取り除いた配列を返します。
...[ruby]{
olympics = {
1896 => 'Athens',
1900 => 'Paris',
1904 => 'Chicago',
1906 => 'Athens',
1908 => 'Rome',
}
olympics.uniq{|k,v| v} # => [[1896, "Athens"], [1900, "Paris"], [1904, "Chicago"], [1908, "Rome"]]
(1..100).uniq{|x| (x**2) % 10 } # => [1, 2, 3, 4, 5, 10]
//}
@see Array#uniq......][ruby]{
olympics = {
1896 => 'Athens',
1900 => 'Paris',
1904 => 'Chicago',
1906 => 'Athens',
1908 => 'Rome',
}
olympics.uniq{|k,v| v} # => [[1896, "Athens"], [1900, "Paris"], [1904, "Chicago"], [1908, "Rome"]]
(1..100).uniq{|x| (x**2) % 10 } # => [1, 2, 3, 4, 5, 10]
//}
@see Array#uniq... -
Enumerable
# uniq { |item| . . . } -> Array (6101.0) -
self から重複した値を取り除いた配列を返します。
...[ruby]{
olympics = {
1896 => 'Athens',
1900 => 'Paris',
1904 => 'Chicago',
1906 => 'Athens',
1908 => 'Rome',
}
olympics.uniq{|k,v| v} # => [[1896, "Athens"], [1900, "Paris"], [1904, "Chicago"], [1908, "Rome"]]
(1..100).uniq{|x| (x**2) % 10 } # => [1, 2, 3, 4, 5, 10]
//}
@see Array#uniq......][ruby]{
olympics = {
1896 => 'Athens',
1900 => 'Paris',
1904 => 'Chicago',
1906 => 'Athens',
1908 => 'Rome',
}
olympics.uniq{|k,v| v} # => [[1896, "Athens"], [1900, "Paris"], [1904, "Chicago"], [1908, "Rome"]]
(1..100).uniq{|x| (x**2) % 10 } # => [1, 2, 3, 4, 5, 10]
//}
@see Array#uniq...