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| author | Andrei Kulakov <krugliy@gmail.com> | 2011-03-10 01:22:56 +0800 |
|---|---|---|
| committer | Aaron Patterson <aaron.patterson@gmail.com> | 2011-03-10 01:30:51 +0800 |
| commit | 532b77077fc97211cb9f8d047116a72b8cd286a7 (patch) | |
| tree | e5c517e70e4e6de9d3e255f91edf0bf1c1e2841c /railties/guides/source | |
| parent | 03cbd9672cfc142842c95aae0fb27b8eb27e6990 (diff) | |
| download | rails-532b77077fc97211cb9f8d047116a72b8cd286a7.tar.gz rails-532b77077fc97211cb9f8d047116a72b8cd286a7.tar.bz2 rails-532b77077fc97211cb9f8d047116a72b8cd286a7.zip | |
Use Rubys own Float#round method in versions 1.9 and above
Diffstat (limited to 'railties/guides/source')
| -rw-r--r-- | railties/guides/source/active_support_core_extensions.textile | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/railties/guides/source/active_support_core_extensions.textile b/railties/guides/source/active_support_core_extensions.textile index 1df36137b4..39a87d9f64 100644 --- a/railties/guides/source/active_support_core_extensions.textile +++ b/railties/guides/source/active_support_core_extensions.textile @@ -1818,7 +1818,7 @@ h3. Extensions to +Float+ h4. +round+ -The built-in method +Float#round+ rounds a float to the nearest integer. Active Support adds an optional parameter to let you specify a precision: +The built-in method +Float#round+ rounds a float to the nearest integer. In Ruby 1.9 this method takes optional parameter to let you specify a precision. Active Support adds that functionality to +round+ in previous versions of Ruby: <ruby> Math::E.round(4) # => 2.7183 |