Printf (base.Base.Printf)

val ifprintf : 'a -> ('r, 'a, 'c, unit) format4 -> 'r

val sprintf : ('r, unit, string) format -> 'r

val bprintf : 
  Base__.Import0.Stdlib.Buffer.t ->
  ('r, Base__.Import0.Stdlib.Buffer.t, unit) format ->
  'r

val ksprintf : (string -> 'a) -> ('r, unit, string, 'a) format4 -> 'r

val kbprintf : 
  (Base__.Import0.Stdlib.Buffer.t -> 'a) ->
  Base__.Import0.Stdlib.Buffer.t ->
  ('r, Base__.Import0.Stdlib.Buffer.t, unit, 'a) format4 ->
  'r

val failwithf : ('r, unit, string, unit -> 'a) format4 -> 'r

val invalid_argf : ('r, unit, string, unit -> 'a) format4 -> 'r