Logging utilities.
| Function | formatTrace | Format a trace (that is, the contents of the log_trace key
of a log event) as a visual indication of the message's propagation through
various observers. |
Format a trace (that is, the contents of the log_trace key
of a log event) as a visual indication of the message's propagation through
various observers.
| Parameters | trace | the contents of the log_trace key from an event. (type: object) |
| Returns | A multi-line string with indentation and arrows indicating the flow of the
message through various observers. (type: unicode) | |