`type t`

Type for strings.

`val length : t -> int`

Length - number of indexing units

`type tchar`

Character type used by `t`.

`val get : t -> int -> tchar`

Usual get function.

`val lift_char : char -> tchar`

Convert Latin-1 character to `tchar`.

`val lift : string -> t`

Convert from UTF-8 string of primitive `string` type.

`val to_string : t -> string`

Convert to primitive string with UTF-8 content.

`val concat_with_separators : t -> t list -> t`

`concat_with_separators sep lst` catenates all n elements of `lst` inserting (n-1) copies of `sep` in between.

`val compare : t -> t -> int`

Usual comparison function.

`val iter : (tchar -> unit) -> t -> unit`
`val iteri : (int -> tchar -> unit) -> t -> unit`
`val sub : t -> int -> int -> t`

As `String.sub`, but indexed in specific way.

`val rindex : t -> char -> int`
`module Parse : sig ... end`