package zed

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Parameters
Signature

package zed

zed
- Zed_cursor
- Zed_edit
- Zed_input
  - Make
  - S
- Zed_lines
- Zed_macro
- Zed_re
- Zed_rope
  - Buffer
  - Text
    
    Buf
  - Zip
- Zed_utf8

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Make (Event) makes a a new binder.

Parameters

module Event : Stdlib.Map.OrderedType

Signature

type event = Event.t

Type of events.

type +'a t

Type of set of bindings mapping input sequence to values of type 'a.

val empty : 'a t

The empty set of bindings.

val add : event list -> 'a -> 'a t -> 'a t

add events x bindings binds events to x. It raises Invalid_argument if events is empty.

val remove : event list -> 'a t -> 'a t

remove events bindings unbinds events. It raises Invalid_argument if events is empty.

val fold : (event list -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b

fold f set acc executes f on all sequence of set, accumulating a value.

val bindings : 'a t -> (event list * 'a) list

bindings set returns all bindings of set.

type 'a resolver

Type of a resolver. A resolver is used to resolve an input sequence, i.e. to find the value associated to one. It returns a value of type 'a when a matching sequence is found.

type 'a pack

A pack is a pair of a set of bindings and a mapping function.

val pack : ('a -> 'b) -> 'a t -> 'b pack

pack f set creates a pack.

val resolver : 'a pack list -> 'a resolver

resolver packs creates a resolver from a list of pack.

type 'a result =

| Accepted of 'a
(*
The sequence is terminated and associated to the given value.
*)
| Continue of 'a resolver
(*
The sequence is not terminated.
*)
| Rejected
(*
None of the sequences is prefixed by the one.
*)

Result of a resolving operation.

val resolve : event -> 'a resolver -> 'a result

resolve event resolver tries to resolve event using resolver.