log

Structured logging with levels and colors.

use log

Functions

Function	Signature	Description
debug	(msg: String) -> nil	Log at debug level
info	(msg: String) -> nil	Log at info level
warn	(msg: String) -> nil	Log at warn level
error	(msg: String) -> nil	Log at error level
fatal	(msg: String) -> never	Log and exit
set_level	(level: String) -> nil	Set minimum log level
with	(fields: Map) -> Logger	Create child logger with extra fields
json	(level, msg, fields) -> nil	Emit structured JSON log entry
child_debug	(logger, msg) -> nil	Log debug with child logger
child_info	(logger, msg) -> nil	Log info with child logger
child_warn	(logger, msg) -> nil	Log warn with child logger
child_error	(logger, msg) -> nil	Log error with child logger

Example

use log

log.set_level("info")
log.info("Server started")
log.warn("Disk usage high")
log.error("Connection failed")

let logger = log.with({service: "api", version: "1.0"})
log.child_info(logger, "Request received")  # Log with child logger context

log.json("info", "request", {method: "GET", path: "/api/users", status: 200})