The internal time representation of Zone.t
. This is a tiny subset of Time0_intf.S
,
see that interface for details such as the meaning of Span
and Relative
.
The name of the interface reflects the fact that the interface only gives you access
to the seconds of the t
. But you can use this interface with types that have higher
precision than that, hence the rounding implied in the name of
to_int63_seconds_round_down_exn
.
module Span : sig ... end
module Relative_to_unspecified_zone : sig ... end