go包引用

環境:ubuntu 16.04 # 下載go安裝包,解壓後放入 /usr/local/go # ~/.profile # export PATH=$PATH:/usr/local/go/bin # export GO111MODULE=off # export GOPATH=~ # ~/src/main.go package main import ( "fmt" "cal" "cal/multi" ) func main() { result := cal.Add(1, 2) fmt.Printf("%d\n", result) result = cal.Subtract(110, 2) fmt.Printf("%d\n", result) result = multi.Multi(2, 4) fmt.Printf("%d\n", result) } # ~/src/cal/add.go package cal func Add(num1 int, num2 int) (result int) { return num1 + num2 } # ~/src/cal/subtract.go package cal func Subtract(num1 int, num2 int) (result int) { return num1 - num2 } # ~/src/cal/multi/multiply.go package multi func Multi(num1 int, num2 int) (result int) { return num1 * num2 } # go run main.go # 3 # 108 # 8
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