Module Node.Path

Path provides base functions on node paths.

Path

type t

The type for path values.

type step

Type type for path's steps.

val empty : t

The empty path.

val v : step list -> t

Create a path from a list of steps.

val is_empty : t -> bool

Check if the path is empty.

val cons : step -> t -> t

Prepend a step to the path.

val rcons : t -> step -> t

Append a step to the path.

val decons : t -> (step * t) option

Deconstruct the first element of the path. Return None if the path is empty.

val rdecons : t -> (t * step) option

Deconstruct the last element of the path. Return None if the path is empty.

val map : t -> (step -> 'a) -> 'a list

map t f maps f over all steps of t.

Value Types

val t : t Type.t

t is the value type for t.

val step_t : step Type.t

step_t is the value type for step.