Eta
Stdlib
std.log
Structured logger and sink construction over the %log-* runtime
primitives.
(import std.log)
Levels and emit
| Symbol | Description |
|---|---|
(log:trace fmt . args) | Log at TRACE level. |
(log:debug fmt . args) | Log at DEBUG level. |
(log:info fmt . args) | Log at INFO level. |
(log:warn fmt . args) | Log at WARN level. |
(log:error fmt . args) | Log at ERROR level. |
(log:critical fmt . args) | Log at CRITICAL level. |
Each call uses the default logger; pass a logger as the first argument to target a specific logger by reference.
Loggers
| Symbol | Description |
|---|---|
(log:default) | Current default logger. |
(log:set-default! logger) | Replace the default logger. |
(log:get-logger name) | Lookup or create a named logger. |
(log:make-logger name sinks) | Build a logger from sinks. |
(log:set-level! logger level) | Set per-logger threshold. |
(log:level logger) | Read the current level. |
(log:set-global-level! level) | Set the global threshold. |
(log:set-pattern! logger pattern) | Set spdlog-style format pattern. |
(log:set-formatter! logger formatter) | Set a custom formatter. |
(log:flush! logger) | Flush buffered output. |
(log:flush-on! logger level) | Auto-flush at level and above. |
(log:shutdown!) | Flush and stop background threads. |
Sinks
| Symbol | Description |
|---|---|
(log:make-stdout-sink) | Sink writing to stdout. |
(log:make-stderr-sink) | Sink writing to stderr. |
(log:make-file-sink path) | Sink writing to a file. |
(log:make-rotating-sink path max-size max-files) | Size-based rotation. |
(log:make-daily-sink path hour minute) | Daily rotation. |
(log:make-port-sink port) | Sink writing to a Scheme port. |
(log:make-error-port-sink) | Sink writing to the current error port. |