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std.time

← Stdlib Reference · Language Guide · Detailed reference

Clocks, sleep, and ISO-8601 formatting wrapping the %time-* primitives.

(import std.time)

Clocks

SymbolDescription
(time:now-ms)Wall-clock milliseconds since Unix epoch.
(time:now-us)Wall-clock microseconds since Unix epoch.
(time:now-ns)Wall-clock nanoseconds since Unix epoch.
(time:monotonic-ms)Monotonic milliseconds.

Sleep and elapsed

SymbolDescription
(time:sleep-ms ms)Block the current fiber for ms milliseconds.
(time:elapsed-ms thunk)Run thunk and return its elapsed time in milliseconds.

Formatting

SymbolDescription
(time:utc-parts ms)Decompose a UTC timestamp to (year month day hour minute second ms).
(time:local-parts ms)Same in local time.
(time:format-iso8601-utc ms)Format UTC timestamp as ISO-8601 string.
(time:format-iso8601-local ms)Format local timestamp as ISO-8601 string with offset.

Source: stdlib/std/time.eta