steel/time

Contains direct wrappers around the Rust std::time::Instant and std::time::Duration modules. For example, to measure the time something takes:

(define t (instant/now))
(displayln "Hello world")
(displayln (instant/elapsed t))

Returns the number of milliseconds since the Unix epoch as an inexact number.

(current-inexact-milliseconds) -> inexact?

Returns the number of milliseconds since the Unix epoch as an integer.

(current-milliseconds) -> int?

Returns the number of seconds since the Unix epoch as an integer.

(current-second) -> int?

Returns a string representation of a duration

(duration->string dur)

Returns the local time in the format given by the input string (using chrono::Local::format).

(local-time/now! fmt) -> string?

Sleeps the thread for a given number of milliseconds.

(time/sleep-ms ms)

The Steel Book