package lascar

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package lascar
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Several useful types and functions

type ('a, 'b) either =
  1. | Fst of 'a
  2. | Snd of 'b
  3. | Both of 'a * 'b
val log2 : int -> int
val time_of_day : unit -> string
val max : 'a -> 'a -> 'a
val min : 'a -> 'a -> 'a
val iter_fix : ('a -> 'a -> bool) -> ('a -> 'a) -> 'a -> 'a

iter_fix eq f x iterates f, starting with x, until idempotence, i.e. computes f (f (f ... f(x)...)) until the condition f(x)=x is met. Equality test is performed with the eq argument

val append_file : string -> string -> unit

append_file f s appends s to file f

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