C-like assert for Go. Snippet.

assert.go

// Tiny C-like assert. For a robust assert: github.com/tidwall/assert.
func assert(cond bool) {
	if !cond {
		_, path, ln, _ := runtime.Caller(1)
		data, _ := os.ReadFile(path)
		fmt.Fprintf(os.Stderr, "Assertion failed: %s, file %s, line %d.\n",
			"("+strings.SplitN(strings.TrimSpace(strings.Split(string(data),
			"\n")[ln-1]), "(", 2)[1], filepath.Base(path), ln)
		os.Exit(6)
	}
}