Add observable (async) counter to the metrics API#1590

Merged

SergeyKanzhelev merged 18 commits intoopen-telemetry:mainfrom reyang:reyang/async-counter

Apr 9, 2021

+128-7

Commits on Apr 1, 2021

Commits on Apr 5, 2021

Merge branch 'main' into reyang/async-counter
reyang
authored

Commits on Apr 6, 2021

specify that the callback ensures a single timestamp
reyang
committed

Commits on Apr 8, 2021