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This annotation marks the experimental preview of the standard library API for measuring time and working with durations.
Note that this API is in a preview state and has a very high chance of being changed in the future. Do not use it if you develop a library since your library will become binary incompatible with the future versions of the standard library.
Any usage of a declaration annotated with
@ExperimentalTime
must be accepted either by
annotating that usage with the
OptIn
annotation, e.g.
@OptIn(ExperimentalTime::class)
,
or by using the compiler argument
-opt-in=kotlin.time.ExperimentalTime
.