Module: ActiveSupport::CoreExtensions::Array::Access
- Included in:
- Array
- Defined in:
- lib/active_support/core_ext/array/access.rb
Overview
Makes it easier to access parts of an array.
Instance Method Summary collapse
-
#from(position) ⇒ Object
Returns the tail of the array from
position
. -
#to(position) ⇒ Object
Returns the beginning of the array up to
position
.
Instance Method Details
#from(position) ⇒ Object
Returns the tail of the array from position
.
%w( a b c d ).from(0) # => %w( a b c d )
%w( a b c d ).from(2) # => %w( c d )
%w( a b c d ).from(10) # => nil
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# File 'lib/active_support/core_ext/array/access.rb', line 11 def from(position) self[position..-1] end |
#to(position) ⇒ Object
Returns the beginning of the array up to position
.
%w( a b c d ).to(0) # => %w( a )
%w( a b c d ).to(2) # => %w( a b c )
%w( a b c d ).to(10) # => %w( a b c d )
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# File 'lib/active_support/core_ext/array/access.rb', line 20 def to(position) self[0..position] end |