# Functions
FromContext returns a SpanLogger using the current parent span.
FromContextWithFallback returns a span logger using the current parent span.
New makes a new SpanLogger with a log.Logger to send logs to.
NewWithLogger is like New but allows to pass a logger.
# Constants
TenantIDsTagName is the tenant IDs tag name.
# Type aliases
SpanLogger unifies tracing and logging, to reduce repetition.