Yea debuggers are nice but don't fool yourself, we all know you rather just use fmt.Println("************here").
delog provides a convenience function for debug logging which only prints when build with flag delog, Any other build produces a noop logger with no overhead.
package main
import (
"fmt"
"time"
"github.com/vvvvv/delog"
)
func main() {
fmt.Println("hello world")
delog.Printf("hi from delog %v", time.Now())
}
Building it with -tags delog
$ go build -tags delog
$ main.bin
* * * * * * * * * * * * * * * * * * * *
* * * * * * * DEBUG BUILD * * * * * * *
* * * * * * * * * * * * * * * * * * * *
- Set DELOG_STACKTRACE=ERROR to see stack traces when delog.Printf() encounters an error.
- Set DELOG_STACKTRACE=ALL to see stack traces on every call to delog.Printf().
hello world
23:48:22 [72.89µs] main.go:12: hi from delog 2021-07-27 23:48:22.744363 +0200 CEST m=+0.000166948
Building it without tags
$ go build
$ main.bin
hello world
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