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Avoid creating range objects (take II)

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Akira Matsuda 2014-10-07 19:52:12 +09:00
parent 88080e2629
commit ed03d4eaa8
1 changed files with 5 additions and 1 deletions
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6
activesupport/lib/active_support/core_ext/array/access.rb
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@ -20,7 +20,11 @@ class Array
# %w( a b c d ).to(-2) # => ["a", "b", "c"]
# %w( a b c ).to(-10) # => []
def to(position)
self[0..position]
if position >= 0
first position + 1
else
self[0..position]
end
end
# Equal to <tt>self[1]</tt>.