Fix rdoc on atomic operations.

Fix #3803

lib/mongoid/persistable/incrementable.rb

@@ -17,7 +17,7 @@ module Incrementable
       #
       # @param [ Hash ] increments The field/inc increment pairs.
       #
-      # @return [ true, false ] If the increment succeeded.
+      # @return [ Document ] The document.
       #
       # @since 4.0.0
       def inc(increments)

lib/mongoid/persistable/logical.rb

@@ -16,7 +16,7 @@ module Logical
       #
       # @param [ Hash ] operations The bitwise operations.
       #
-      # @return [ true, false ] If the operation succeeded.
+      # @return [ Document ] The document.
       #
       # @since 4.0.0
       def bit(operations)

lib/mongoid/persistable/poppable.rb

@@ -21,7 +21,7 @@ module Poppable
       #
       # @param [ Hash ] pops The field/value pop operations.
       #
-      # @return [ true, false ] If the operation succeeded.
+      # @return [ Document ] The document.
       #
       # @since 4.0.0
       def pop(pops)

lib/mongoid/persistable/pullable.rb

@@ -17,7 +17,7 @@ module Pullable
       #
       # @param [ Hash ] pulls The field/value pull pairs.
       #
-      # @return [ true, false ] If the operation succeeded.
+      # @return [ Document ] The document.
       #
       # @since 4.0.0
       def pull(pulls)
@@ -37,7 +37,7 @@ def pull(pulls)
       #
       # @param [ Hash ] pulls The pull all operations.
       #
-      # @return [ true, false ] If the operation succeeded.
+      # @return [ Document ] The document.
       #
       # @since 4.0.0
       def pull_all(pulls)

lib/mongoid/persistable/pushable.rb

@@ -16,7 +16,7 @@ module Pushable
       #
       # @param [ Hash ] adds The field/value pairs to add.
       #
-      # @return [ true, false ] If the operation succeeded.
+      # @return [ Document ] The document.
       #
       # @since 4.0.0
       def add_to_set(adds)
@@ -43,7 +43,7 @@ def add_to_set(adds)
       #
       # @param [ Hash ] pushes The $push operations.
       #
-      # @return [ true, false ] If the operation succeeded.
+      # @return [ Document ] The document.
       #
       # @since 4.0.0
       def push(pushes)

lib/mongoid/persistable/renamable.rb

@@ -17,7 +17,7 @@ module Renamable
       #
       # @param [ Hash ] renames The rename pairs of old name/new name.
       #
-      # @return [ true, false ] If the rename suceeded.
+      # @return [ Document ] The document.
       #
       # @since 4.0.0
       def rename(renames)

lib/mongoid/persistable/settable.rb

@@ -16,7 +16,7 @@ module Settable
       #
       # @param [ Hash ] setters The field/value pairs to set.
       #
-      # @return [ true ] If the operation succeeded.
+      # @return [ Document ] The document.
       #
       # @since 4.0.0
       def set(setters)

lib/mongoid/persistable/unsettable.rb

@@ -17,7 +17,7 @@ module Unsettable
       # @param [ Array<String, Symbol> ] fields The names of the fields to
       #   unset.
       #
-      # @return [ true ] If the operation succeeded.
+      # @return [ Document ] The document.
       #
       # @since 4.0.0
       def unset(*fields)

lib/mongoid/railties/database.rake

@@ -67,7 +67,7 @@ namespace :db do
 
   namespace :mongoid do
     task :load_models do
-      ::Rails.application.eager_load! if defined?(Rails)
+      ::Rails.application.eager_load! if defined?(::Rails)
     end
   end
 end