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structure Cache = struct
type cache =
{(* Takes a query ID and parameters (and, for store, the value to
store) and gives an FFI call that checks, stores, or flushes the
relevant entry. The parameters are strings for check and store and
optional strings for flush because some parameters might not be
fixed. *)
check : int * Mono.exp list -> Mono.exp',
store : int * Mono.exp list * Mono.exp -> Mono.exp',
flush : int * Mono.exp list -> Mono.exp',
lock : int * bool (* true = write, false = read *) -> Mono.exp',
(* Generates C needed for FFI calls in check, store, and flush. *)
setupGlobal : Print.PD.pp_desc,
setupQuery : {index : int, params : int} -> Print.PD.pp_desc}
end
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