Krzesimir Nowak 927d9155ae Increase the visibility of the api/key package (#650) ... * Point to the convenience functions in api/key package This is to increase the visibility of the api/key package through the api/core package, otherwise developers often tend to miss the api/key package altogether and write `core.Key(name).TYPE(value)` and complain at the verbosity of such a construction. The api/key package would allow them to write `key.TYPE(name, value)`. * Use the api/key package where applicable This transforms all the uses of `core.Key(name).TYPE(value)` to `key.TYPE(name, value)`. This also should help increasing the visibility of the api/key package for developers reading the otel-go code. Co-authored-by: Joshua MacDonald <jmacd@users.noreply.github.com>		2020-04-21 20:26:51 -07:00
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metric	Remove WithKeys() option, defaultkeys batcher (#639)	2020-04-14 16:07:11 -07:00
otlp	Increase the visibility of the api/key package (#650)	2020-04-21 20:26:51 -07:00
trace	Increase the visibility of the api/key package (#650)	2020-04-21 20:26:51 -07:00