diff options
| author | Sebastian Martinez <sebastian@wyeworks.com> | 2011-04-15 14:13:10 -0300 |
|---|---|---|
| committer | Sebastian Martinez <sebastian@wyeworks.com> | 2011-04-15 14:13:10 -0300 |
| commit | 91761b775ce1f028486dc3483904795e9c028ed6 (patch) | |
| tree | 0bd820ea2a0e859bea0fac69c68ab4763706b932 /activesupport/lib/active_support/core_ext/array | |
| parent | 4dd84c8db06ddb56468401a478399c995c9604c1 (diff) | |
| download | rails-91761b775ce1f028486dc3483904795e9c028ed6.tar.gz rails-91761b775ce1f028486dc3483904795e9c028ed6.tar.bz2 rails-91761b775ce1f028486dc3483904795e9c028ed6.zip | |
Added an example of exception situation on Array#sample docs
Diffstat (limited to 'activesupport/lib/active_support/core_ext/array')
| -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 |