はじめての Go言語、Windows環境 Visual Studio Codeで編集とdebugger使う方法を試してみる　その２ ref: http://qiita.com/murachi1208/items/ba44c650c13da78c60fd

command

go get -v github.com/nsf/gocode

他に
go get -u -v github.com/zmb3/gogetdoc
go get -u -v github.com/golang/lint/golint
go get -u -v sourcegraph.com/sqs/goreturns
go get -u -v golang.org/x/tools/cmd/gorename
go get -u -v github.com/tpng/gopkgs

file2.txt

set GOOS=linux
set GOARCH=386
go build -o test_linux_386 test.go

set GOOS=windows
set GOARCH=amd64
go build -o test_win_64.exe test.go