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| -rw-r--r-- | guides/source/active_support_core_extensions.md | 23 |
1 files changed, 4 insertions, 19 deletions
diff --git a/guides/source/active_support_core_extensions.md b/guides/source/active_support_core_extensions.md index 0a29d85303..7f65d920df 100644 --- a/guides/source/active_support_core_extensions.md +++ b/guides/source/active_support_core_extensions.md @@ -420,9 +420,9 @@ NOTE: Defined in `active_support/core_ext/object/with_options.rb`. ### JSON support -Active Support provides a better implemention of `to_json` than the json gem ordinarily provides for Ruby objects. This is because some classes, like Hash and OrderedHash, needs special handling in order to provide a proper JSON representation. +Active Support provides a better implemention of `to_json` than the +json+ gem ordinarily provides for Ruby objects. This is because some classes, like +Hash+ and +OrderedHash+ needs special handling in order to provide a proper JSON representation. -Active Support also provides an implementation of `as_json` for the Process::Status class. +Active Support also provides an implementation of `as_json` for the <tt>Process::Status</tt> class. NOTE: Defined in `active_support/core_ext/object/to_json.rb`. @@ -447,23 +447,6 @@ C.new(0, 1).instance_values # => {"x" => 0, "y" => 1} NOTE: Defined in `active_support/core_ext/object/instance_variables.rb`. -#### `instance_values` - -The method `instance_values` returns a hash that maps instance variable names without "@" to their -corresponding values. Keys are strings: - -```ruby -class C - def initialize(x, y) - @x, @y = x, y - end -end - -C.new(0, 1).instance_values # => {"x" => 0, "y" => 1} -``` - -NOTE: Defined in `active_support/core_ext/object/instance_variables.rb`. - #### `instance_variable_names` The method `instance_variable_names` returns an array. Each name includes the "@" sign. @@ -2053,6 +2036,7 @@ NOTE: Defined in `active_support/core_ext/integer/inflections.rb`. Extensions to `BigDecimal` -------------------------- ### `to_s` + The method `to_s` is aliased to `to_formatted_s`. This provides a convenient way to display a BigDecimal value in floating-point notation: ```ruby @@ -2060,6 +2044,7 @@ BigDecimal.new(5.00, 6).to_s # => "5.0" ``` ### `to_formatted_s` + Te method `to_formatted_s` provides a default specifier of "F". This means that a simple call to `to_formatted_s` or `to_s` will result in floating point representation instead of engineering notation: ```ruby |