Module `DebugHook`

Ltac debugger interface; clients should register hooks to interact with their provided interface.

module Action : sig ... end: The debugger receives requests by calling read_cmd to get Actions. Each Action may return one or more responses as Answers by calling submit_answer. Many of them return a single Answer or no Answer, but a single step may generate any number of Outputs.

module Answer : sig ... end

module Intf : sig ... end