Class fields

`val mk : ?⁠loc:loc ‑> ?⁠attrs:attrs ‑> ?⁠docs:Ppxlib_ast.Docstrings.docs ‑> Ppxlib_ast__.Import.Parsetree.class_field_desc ‑> Ppxlib_ast__.Import.Parsetree.class_field`
`val attr : Ppxlib_ast__.Import.Parsetree.class_field ‑> Ppxlib_ast__.Import.Parsetree.attribute ‑> Ppxlib_ast__.Import.Parsetree.class_field`
`val inherit_ : ?⁠loc:loc ‑> ?⁠attrs:attrs ‑> Ppxlib_ast__.Import.Asttypes.override_flag ‑> Ppxlib_ast__.Import.Parsetree.class_expr ‑> str option ‑> Ppxlib_ast__.Import.Parsetree.class_field`
`val val_ : ?⁠loc:loc ‑> ?⁠attrs:attrs ‑> str ‑> Ppxlib_ast__.Import.Asttypes.mutable_flag ‑> Ppxlib_ast__.Import.Parsetree.class_field_kind ‑> Ppxlib_ast__.Import.Parsetree.class_field`
`val method_ : ?⁠loc:loc ‑> ?⁠attrs:attrs ‑> str ‑> Ppxlib_ast__.Import.Asttypes.private_flag ‑> Ppxlib_ast__.Import.Parsetree.class_field_kind ‑> Ppxlib_ast__.Import.Parsetree.class_field`
`val constraint_ : ?⁠loc:loc ‑> ?⁠attrs:attrs ‑> Ppxlib_ast__.Import.Parsetree.core_type ‑> Ppxlib_ast__.Import.Parsetree.core_type ‑> Ppxlib_ast__.Import.Parsetree.class_field`
`val initializer_ : ?⁠loc:loc ‑> ?⁠attrs:attrs ‑> Ppxlib_ast__.Import.Parsetree.expression ‑> Ppxlib_ast__.Import.Parsetree.class_field`
`val extension : ?⁠loc:loc ‑> ?⁠attrs:attrs ‑> Ppxlib_ast__.Import.Parsetree.extension ‑> Ppxlib_ast__.Import.Parsetree.class_field`
`val attribute : ?⁠loc:loc ‑> Ppxlib_ast__.Import.Parsetree.attribute ‑> Ppxlib_ast__.Import.Parsetree.class_field`
`val text : Ppxlib_ast.Docstrings.text ‑> Ppxlib_ast__.Import.Parsetree.class_field list`
`val virtual_ : Ppxlib_ast__.Import.Parsetree.core_type ‑> Ppxlib_ast__.Import.Parsetree.class_field_kind`
`val concrete : Ppxlib_ast__.Import.Asttypes.override_flag ‑> Ppxlib_ast__.Import.Parsetree.expression ‑> Ppxlib_ast__.Import.Parsetree.class_field_kind`