type t
val empty : t
Empty builder (position=Stop
)
val to_pos : t -> position
Extract current position
val of_pos : position -> t
Start from a given position
val prefix : position -> t -> t
Prefix the builder with the given position
val suffix : t -> position -> t
Append position at the end
val type_ : t -> t
val left : t -> t
Add left
at the end
val right : t -> t
Add left
at the end
val body : t -> t
val head : t -> t
val arg : int -> t -> t
Arg position at the end