StreamLogHandler
StreamLogHandler
is a simple implementation of LogHandler
for directing Logger
output to either stderr
or stdout
via the factory methods.
struct StreamLogHandler
Metadata is merged in the following order:
Metadata set on the log handler itself is used as the base metadata.
The handler’s
metadataProvider
is invoked, overriding any existing keys.The per-log-statement metadata is merged, overriding any previously set keys.