Properties
string
Source file path of the call site, when available.
string
required
"error", "warn", "info", "debug", or "trace".number
1-based line number of the call site, when available.
string
required
The formatted log message.
string
Module path of the call site, when available.
string
required
Logger target — defaults to the emitting Rust module path
(e.g.
"simulang_rs::windows::app"). Used by the filter spec to gate
logs per module.