val conversion_name : string
The simplest of all the extensions can only see atoms (leafs in the conversion type, for example a string), and records or recursive types that need to be recursively processed
val merge_recursive : Ppxlib.Location.t ‑> field_name:string ‑> tp:Ppxlib.core_type ‑> Ppxlib.expression ‑> Ppxlib.expression
val atoms : simple_processor
val recursive : recursive_processor