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-rw-r--r--activesupport/lib/active_support/callbacks.rb17
1 files changed, 11 insertions, 6 deletions
diff --git a/activesupport/lib/active_support/callbacks.rb b/activesupport/lib/active_support/callbacks.rb
index e6baddf5db..557a4695a6 100644
--- a/activesupport/lib/active_support/callbacks.rb
+++ b/activesupport/lib/active_support/callbacks.rb
@@ -103,7 +103,7 @@ module ActiveSupport
end
# A hook invoked every time a before callback is halted.
- # This can be overridden in AS::Callback implementors in order
+ # This can be overridden in ActiveSupport::Callbacks implementors in order
# to provide better debugging/logging.
def halted_callback_hook(filter)
end
@@ -571,15 +571,15 @@ module ActiveSupport
# Install a callback for the given event.
#
- # set_callback :save, :before, :before_meth
- # set_callback :save, :after, :after_meth, if: :condition
+ # set_callback :save, :before, :before_method
+ # set_callback :save, :after, :after_method, if: :condition
# set_callback :save, :around, ->(r, block) { stuff; result = block.call; stuff }
#
# The second argument indicates whether the callback is to be run +:before+,
# +:after+, or +:around+ the event. If omitted, +:before+ is assumed. This
# means the first example above can also be written as:
#
- # set_callback :save, :before_meth
+ # set_callback :save, :before_method
#
# The callback can be specified as a symbol naming an instance method; as a
# proc, lambda, or block; as a string to be instance evaluated(deprecated); or as an
@@ -736,8 +736,13 @@ module ActiveSupport
#
# would call <tt>Audit#save</tt>.
#
- # NOTE: +method_name+ passed to `define_model_callbacks` must not end with
+ # ===== Notes
+ #
+ # +names+ passed to `define_callbacks` must not end with
# `!`, `?` or `=`.
+ #
+ # Calling `define_callbacks` multiple times with the same +names+ will
+ # overwrite previous callbacks registered with `set_callback`.
def define_callbacks(*names)
options = names.extract_options!
@@ -782,7 +787,7 @@ module ActiveSupport
def display_deprecation_warning_for_false_terminator
ActiveSupport::Deprecation.warn(<<-MSG.squish)
- Returning `false` in Active Record and Active Model callbacks will not implicitly halt a callback chain in the next release of Rails.
+ Returning `false` in Active Record and Active Model callbacks will not implicitly halt a callback chain in Rails 5.1.
To explicitly halt the callback chain, please use `throw :abort` instead.
MSG
end