Fields

Extensions, reflection, and other APIs allow access to structs that describe fields.

type
Symbol :field | :object | :collection
The type of field.

name
Symbol
Name of the field as it will appear in the JSON or Hash output.

from
Symbol
Name of the field in the source object (usually the same as name).

from_str
String
Same as from, but as a frozen string.

value_proc
nil | Proc
The block passed to the field definition (if given). Expects a Field Context argument and returns the field value.

options
Hash
A frozen Hash of any additional options passed to the field.

blueprint (object and collection only)
Class
The blueprint to use for serializaing the object or collection.