Standard Library
Below is the API for the OCaml standard library. It's directly copied over from the OCaml Manual, formatted to the Reason syntax and styled accordingly. The API docs are work-in-progress; we'll be polishing these gradually!
If you're targeting JavaScript, the API docs for BuckleScript includes all of below, plus JS-specific APIs.
sig val mk : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> ?docs:Docstrings.docs -> Parsetree.class_field_desc -> Parsetree.class_field val attr : Parsetree.class_field -> Parsetree.attribute -> Parsetree.class_field val inherit_ : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> Asttypes.override_flag -> Parsetree.class_expr -> string option -> Parsetree.class_field val val_ : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> Ast_helper.str -> Asttypes.mutable_flag -> Parsetree.class_field_kind -> Parsetree.class_field val method_ : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> Ast_helper.str -> Asttypes.private_flag -> Parsetree.class_field_kind -> Parsetree.class_field val constraint_ : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> Parsetree.core_type -> Parsetree.core_type -> Parsetree.class_field val initializer_ : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> Parsetree.expression -> Parsetree.class_field val extension : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> Parsetree.extension -> Parsetree.class_field val attribute : ?loc:Ast_helper.loc -> Parsetree.attribute -> Parsetree.class_field val text : Docstrings.text -> Parsetree.class_field list val virtual_ : Parsetree.core_type -> Parsetree.class_field_kind val concrete : Asttypes.override_flag -> Parsetree.expression -> Parsetree.class_field_kind end