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 : ?attrs:Ast_helper.attrs -> ?docs:Docstrings.docs -> ?params:(Parsetree.core_type * Asttypes.variance) list -> ?priv:Asttypes.private_flag -> Ast_helper.lid -> Parsetree.extension_constructor list -> Parsetree.type_extension val constructor : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> ?docs:Docstrings.docs -> ?info:Docstrings.info -> Ast_helper.str -> Parsetree.extension_constructor_kind -> Parsetree.extension_constructor val decl : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> ?docs:Docstrings.docs -> ?info:Docstrings.info -> ?args:Parsetree.core_type list -> ?res:Parsetree.core_type -> Ast_helper.str -> Parsetree.extension_constructor val rebind : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> ?docs:Docstrings.docs -> ?info:Docstrings.info -> Ast_helper.str -> Ast_helper.lid -> Parsetree.extension_constructor end