How to run go run program in debug mode
There is no specific built in debug mode as such. One approach is to have a
var debug bool that you set from a command line flag or similar and then use to control log output. It can also be a constant that you instead control via a build tag, in which case the debug code doesn’t exist at all in the production binary.
There is some debug information that can be extracted from the runtime - garbage collection statistics for example. See the runtime documentation around
GODEBUG for that. Also the stack trace that you get for each goroutine on a crash or QUIT signal is very nice.
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