module Util: sig .. end
This module offers some utility functions
module IntKey: sig .. end
module IS: Set.S with type elt = IntKey.t
module IM: Map.S with type key = IntKey.t
val read_lines : Pervasives.in_channel -> string list
read each line from in_channel
val range : int -> int -> int list -> int list
tail-recursive version of python-like range
val trim_1st : string -> string
trim the 1st character
val trim_last : string -> string
trim the last character
val explode : string -> char list
split a string into a list of chars
val split_string : string -> char -> string list
split a string into a list of strings, with separator split
val begins_with : string -> string -> bool
true if the given string begins with the given prefix
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