FuncType LogFunction

logger.go:15–15

LogFunction For big messages, it can be more efficient to pass a function and only call it if the log level is actually enables rather than generating the log message and then checking if the level is enabled

func() []interface{}

// and only call it if the log level is actually enables rather than
// generating the log message and then checking if the level is enabled
type LogFunction func() []interface{}

type Logger struct {
	// The logs are `io.Copy`'d to this in a mutex. It's common to set this to a