shakuhachi.util
SkhcUtil.ListUtil
shakuhachi.config
shakuhachi.database
shakuhachi.libs
shakuhachi.metadata
shakuhachi.plugin
shakuhachi.query
val remove_last : 'a list -> 'a list * 'a option
val map_ok : ('a -> ('b, 'c) result) -> 'a list -> ('b list, 'c) result
val fold_ok : ('a -> 'b -> ('a, 'c) result) -> 'a -> 'b list -> ('a, 'c) result