package logtk

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package logtk
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type t
type term
type print_hook = int -> term CCFormat.printer -> Format.formatter -> term -> bool

User-provided hook that can be used to print terms (for composite cases) before the default printing occurs. The int argument is the De Bruijn depth in the term. A hook takes as arguments the depth and the recursive printing function that it can use to print subterms. A hook should return true if it fired, false to fall back on the default printing.

val pp_depth : ?hooks:print_hook list -> int -> t CCFormat.printer