To run a GoLang program, there needs to be a main() function defined. In some cases when developing some demo program which has multiple files and just wanna put them in the same main package and this folder is not in GOPATH, how to run the program?Let's say we have following folder structure where the main() function is defined in main.go.If you just run below command, it would fail to start to run the program and gives some error if some struct is defined in other files and being used.PS D:\Project\Go\sourcecode_updater\v2> go run main.go# command-line-arguments.\main.go:35:11: undefined:...

Normally the executable file built with go is a bit large, it is always desired that a smaller executable file should be generated though. In this post, a couple of ways to reduce the size of the executable will be introduced. The end effect is that the executable file size would be much less than the normal generated one.The file which is built normally has below size.Mode LastWriteTime Length Name---- ------------- ------ -----a---- 12/14/2019 9:47 AM 1974272 main-ori.exeAdd build flags Two ld parameters can be added when usin...