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author | Ben Orenstein <ben.orenstein@gmail.com> | 2011-02-19 18:07:00 -0500 |
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committer | Ben Orenstein <ben.orenstein@gmail.com> | 2011-02-19 18:07:07 -0500 |
commit | 6052929e881e12df9832411888451bf39938f571 (patch) | |
tree | 949a382fb598172cd8c5f55354b868a17fa83592 | |
parent | fe5c2c2d21ae03f866f0473faf3abfafc884ea5f (diff) | |
download | rails-6052929e881e12df9832411888451bf39938f571.tar.gz rails-6052929e881e12df9832411888451bf39938f571.tar.bz2 rails-6052929e881e12df9832411888451bf39938f571.zip |
Edit a few lines for readability.
-rw-r--r-- | railties/guides/source/active_support_core_extensions.textile | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/railties/guides/source/active_support_core_extensions.textile b/railties/guides/source/active_support_core_extensions.textile index 9da8ecc6fc..fe9c01c4d8 100644 --- a/railties/guides/source/active_support_core_extensions.textile +++ b/railties/guides/source/active_support_core_extensions.textile @@ -20,7 +20,7 @@ Thus, after a simple require like: require 'active_support' </ruby> -objects do not even respond to +blank?+, let's see how to load its definition. +objects do not even respond to +blank?+. Let's see how to load its definition. h5. Cherry-picking a Definition @@ -42,7 +42,7 @@ h5. Loading Grouped Core Extensions The next level is to simply load all extensions to +Object+. As a rule of thumb, extensions to +SomeClass+ are available in one shot by loading +active_support/core_ext/some_class+. -Thus, if that would do, to have +blank?+ available we could just load all extensions to +Object+: +Thus, to load all extensions to +Object+ (including +blank?+): <ruby> require 'active_support/core_ext/object' @@ -432,7 +432,7 @@ h4. +require_library_or_gem+ The convenience method +require_library_or_gem+ tries to load its argument with a regular +require+ first. If it fails loads +rubygems+ and tries again. -If the first attempt is a failure and +rubygems+ can't be loaded the method raises +LoadError+. On the other hand, if +rubygems+ is available but the argument is not loadable as a gem, the method gives up and +LoadError+ is also raised. +If the first attempt is a failure and +rubygems+ can't be loaded the method raises +LoadError+. A +LoadError+ is also raised if +rubygems+ is available but the argument is not loadable as a gem. For example, that's the way the MySQL adapter loads the MySQL library: @@ -503,7 +503,7 @@ Model attributes have a reader, a writer, and a predicate. You can alias a model <ruby> class User < ActiveRecord::Base # let me refer to the email column as "login", - # much meaningful for authentication code + # possibly meaningful for authentication code alias_attribute :login, :email end </ruby> |