module type Creators_generic = sig .. end
type ('k, 'v, 'cmp) t 
type ('k, 'v, 'cmp) tree 
type 'k key 
type ('a, 'cmp, 'z) options 
val empty : ('k, 'cmp, ('k, 'a, 'cmp) t)
       options
val singleton : ('k, 'cmp,
        'k key ->
        'v -> ('k, 'v, 'cmp) t)
       options
val of_sorted_array : ('k, 'cmp,
        ('k key * 'v) array ->
        ('k, 'v, 'cmp) t Or_error.t)
       options
val of_sorted_array_unchecked : ('k, 'cmp,
        ('k key * 'v) array ->
        ('k, 'v, 'cmp) t)
       options
val of_alist : ('k, 'cmp,
        ('k key * 'v) list ->
        [ `Duplicate_key of 'k key
        | `Ok of ('k, 'v, 'cmp) t ])
       options
val of_alist_exn : ('k, 'cmp,
        ('k key * 'v) list ->
        ('k, 'v, 'cmp) t)
       options
val of_alist_multi : ('k, 'cmp,
        ('k key * 'v) list ->
        ('k, 'v list, 'cmp) t)
       options
val of_alist_fold : ('k, 'cmp,
        ('k key * 'v1) list ->
        init:'v2 ->
        f:('v2 -> 'v1 -> 'v2) -> ('k, 'v2, 'cmp) t)
       options
val of_tree : ('k, 'cmp,
        ('k key, 'v, 'cmp)
        tree ->
        ('k, 'v, 'cmp) t)
       options