Module Js_of_ocaml_compiler__Mlvalue.Block
val make : tag:int -> args:Js_of_ocaml_compiler.Javascript.expression list -> Js_of_ocaml_compiler.Javascript.expression
val tag : Js_of_ocaml_compiler.Javascript.expression -> Js_of_ocaml_compiler.Javascript.expression
val field : Js_of_ocaml_compiler.Javascript.expression -> int -> Js_of_ocaml_compiler.Javascript.expression