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package mtime
Monotonic time spans.
Monotonic time spans
val to_uint64_ns : span -> int64to_uint64_ns span is span as an unsigned 64-bit integer nanosecond span.
val of_uint64_ns : int64 -> spanof_uint64_ns d is the unsigned 64-bit integer nanosecond span as a span.
Constants
val zero : spanzero is a span of 0ns.
val one : spanone is a span of 1ns.
val max_span : spanmax_span is 2^64-1ns.
Predicates
Arithmetic
abs_diff span span' is the absolute difference between span and span'.
Converting time spans
See this section for time scale definitions.
val to_ns : span -> floatto_ns span is span in nanoseconds (1e-9s).
val to_us : span -> floatto_us span is span in microseconds (1e-6s).
val to_ms : span -> floatto_ms span is span in milliseconds (1e-3s).
val to_s : span -> floatto_s span is span in seconds.
val to_min : span -> floatto_min span is span in SI-accepted minutes (60s).
val to_hour : span -> floatto_hour span is span in SI-accepted hours (3600s).
val to_day : span -> floatto_day span is span in SI-accepted days (24 hours, 86400s).
val to_year : span -> floatto_year span is span in Julian years (365.25 days, 31'557'600s).
Pretty printing
val pp : Format.formatter -> span -> unitpp_span ppf span prints an unspecified representation of span on ppf. The representation is not fixed-width, depends on the magnitude of span and uses locale independent standard time scale abbreviations.
val pp_float_s : Format.formatter -> float -> unitpp_float_s prints like pp does but on a floating point seconds time span value (which can be negative).
val dump : Format.formatter -> t -> unitdump ppf span prints an unspecified raw representation of span on ppf.