Logging.Source_code_position
type t = string * int * int * int
The type of iclusive ranges of source code positions, as generated by the OCaml val-Stdlib.__POS__ macro. The 4-tuple components are 'file name', 'line number', 'column start' and 'column end' respectively.
val-Stdlib.__POS__
val pp : t Fmt.t
val tag : t Logs.Tag.def