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 -> Parsetree.module_type_desc -> Parsetree.module_type val attr : Parsetree.module_type -> Parsetree.attribute -> Parsetree.module_type val ident : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> Ast_helper.lid -> Parsetree.module_type val alias : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> Ast_helper.lid -> Parsetree.module_type val signature : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> Parsetree.signature -> Parsetree.module_type val functor_ : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> Ast_helper.str -> Parsetree.module_type option -> Parsetree.module_type -> Parsetree.module_type val with_ : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> Parsetree.module_type -> Parsetree.with_constraint list -> Parsetree.module_type val typeof_ : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> Parsetree.module_expr -> Parsetree.module_type val extension : ?loc:Ast_helper.loc -> ?attrs:Ast_helper.attrs -> Parsetree.extension -> Parsetree.module_type end