Module Mtime.Span
Monotonic time spans.
Monotonic time spans
val to_uint64_ns : span -> int64
to_uint64_ns span
isspan
as an unsigned 64-bit integer nanosecond span.
val of_uint64_ns : int64 -> span
of_uint64_ns d
is the unsigned 64-bit integer nanosecond span as a span.
Constants
val zero : span
zero
is a span of 0ns.
val one : span
one
is a span of 1ns.
val max_span : span
max_span
is 2^64-1ns.
Predicates
Arithmetic
Converting time spans
See this section for time scale definitions.
val to_ns : span -> float
to_ns span
isspan
in nanoseconds (1e-9s).
val to_us : span -> float
to_us span
isspan
in microseconds (1e-6s).
val to_ms : span -> float
to_ms span
isspan
in milliseconds (1e-3s).
val to_s : span -> float
to_s span
isspan
in seconds.
val to_min : span -> float
to_min span
isspan
in SI-accepted minutes (60s).
val to_hour : span -> float
to_hour span
isspan
in SI-accepted hours (3600s).
val to_day : span -> float
to_day span
isspan
in SI-accepted days (24 hours, 86400s).
val to_year : span -> float
to_year span
isspan
in Julian years (365.25 days, 31'557'600s).
Pretty printing
val pp : Stdlib.Format.formatter -> span -> unit
pp_span ppf span
prints an unspecified representation ofspan
onppf
. The representation is not fixed-width, depends on the magnitude ofspan
and uses locale independent standard time scale abbreviations.
val pp_float_s : Stdlib.Format.formatter -> float -> unit
pp_float_s
prints likepp
does but on a floating point seconds time span value (which can be negative).
val dump : Stdlib.Format.formatter -> t -> unit
dump ppf span
prints an unspecified raw representation ofspan
onppf
.