Js_of_ocaml_compiler.Js_simplval if_statement : Javascript.expression -> Javascript.location -> (Javascript.statement * Javascript.location) -> bool -> (Javascript.statement * Javascript.location) -> bool -> (Javascript.statement * Javascript.location) listval get_variable : Code.Var.Set.t -> Javascript.expression -> Code.Var.Set.tval block : (Javascript.statement * Javascript.location) list -> Javascript.statement * Javascript.locationval unblock : (Javascript.statement * Javascript.location) -> (Javascript.statement * Javascript.location) list