first

ary.first â obj or nil
ary.first(n) â new_ary

Instance Public methods

Returns the first element, or the first n elements, of the array. If the array is empty, the first form returns nil, and the second form returns an empty array. See also #last for the opposite effect.

a = [ "q", "r", "s", "t" ]
a.first     #=> "q"
a.first(2)  #=> ["q", "r"]

doc_ruby_on_rails

2015-03-30 17:12:48

Comments

Popular Articles

first first( path_stack, node ) Instance Public methods Performs a depth-first (document order) XPath search, and returns the first match. Th

first first(*args) Instance Public methods Returns the first record, or the first n records, from the collection. If the collection is empty,

first first() Instance Public methods

first? first?() Instance Public methods

first rng.first â objrng.first(n) â an_array Instance Public methods Returns the first object in the range, or an array of the first n ele