caller
🔗NAME
caller
🔗SYNOPSIS
get the name and line number of the calling routine
🔗USAGE
local log = require "lib/dtutils.log"
result = log.caller(level)
level - number - the number of stack levels to go down to retrieve the caller routine information
🔗DESCRIPTION
caller gets the name and line number of the calling routine and returns it
🔗RETURN VALUE
result - string - the name and line number of the calling function or ‘callback: ' if the attempt to get the caller returns nil