val blit :
src:(_, _)src@ local ->(src_pos:int ->(dst:Core.Bigstring.t@ local ->(dst_pos:int ->(len:int ->
unit)@ local)@ local)@ local)@ local
val blito :
src:(_, _)src@ local ->(?src_pos:int ->(?src_len:int ->(dst:Core.Bigstring.t@ local ->(?dst_pos:int ->(unit ->
unit)@ local)@ local)@ local)@ local)@ local
val unsafe_blit :
src:(_, _)src@ local ->(src_pos:int ->(dst:Core.Bigstring.t@ local ->(dst_pos:int ->(len:int ->
unit)@ local)@ local)@ local)@ local
val sub :
(_, _)src@ local ->(pos:int ->(len:int ->Core.Bigstring.t)@ local)@ local