# Module `Time.Span`

Time spans

## Time spans

`val zero : span`

`zero`

is a span of 0ns.

`val one : span`

`one`

is a span of 1ns.

`val max : span`

`max_span`

is a span of`2^64-1`

ns.

## Predicates and comparisons

## Conversions

`val to_uint64_ns : span -> int64`

`to_uint64_ns s`

is`s`

as an*unsigned*64-bit integer nanosecond span.

`val of_uint64_ns : int64 -> span`

`of_uint64_ns u`

is the*unsigned*64-bit integer nanosecond span`u`

as a span.

`val pp : span Fmt.t`

`pp`

formats with`Fmt.uint64_ns_span`

.