diff options
| -rw-r--r-- | activesupport/lib/active_support/core_ext/array/random_access.rb | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/activesupport/lib/active_support/core_ext/array/random_access.rb b/activesupport/lib/active_support/core_ext/array/random_access.rb index 0bf510e39a..9eba4642b8 100644 --- a/activesupport/lib/active_support/core_ext/array/random_access.rb +++ b/activesupport/lib/active_support/core_ext/array/random_access.rb @@ -5,10 +5,11 @@ class Array # If +n+ is passed and its value is less than 0, it raises an +ArgumentError+ exception. # If the value of +n+ is equal or greater than 0 it returns <tt>[]</tt>. # - # [1,2,3,4,5,6].sample # => 4 - # [1,2,3,4,5,6].sample(3) # => [2, 4, 5] - # [].sample # => nil - # [].sample(3) # => [] + # [1,2,3,4,5,6].sample # => 4 + # [1,2,3,4,5,6].sample(3) # => [2, 4, 5] + # [1,2,3,4,5,6].sample(-3) # => ArgumentError: negative sample number + # [].sample # => nil + # [].sample(3) # => [] def sample(n=nil) return self[Kernel.rand(size)] if n.nil? n = n.to_int |