import remote project

3-importremote/go.mod

@@ -0,0 +1,5 @@
+module example/user/importremote
+
+go 1.17
+
+require github.com/google/go-cmp v0.5.6

3-importremote/go.sum

@@ -0,0 +1,4 @@
+github.com/google/go-cmp v0.5.6 h1:BKbKCqvP6I+rmFHt06ZmyQtvB8xAkWdhFyr0ZUNZcxQ=
+github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

3-importremote/hello.go

@@ -0,0 +1,14 @@
+package main
+
+import (
+	"fmt"
+
+	"example/user/importremote/importpackage"
+
+	"github.com/google/go-cmp/cmp"
+)
+
+func main() {
+	fmt.Println(importpackage.ReverseRunes("!oG ,olleH"))
+	fmt.Println(cmp.Diff("Hello World", "Hello Go"))
+}

3-importremote/importpackage/reverse.go

@@ -0,0 +1,12 @@
+// Package importpackage implements additional functions to manipulate UTF-8
+// encoded strings, beyond what is provided in the standard "strings" package.
+package importpackage
+
+// ReverseRunes returns its argument string reversed rune-wise left to right.
+func ReverseRunes(s string) string {
+	r := []rune(s)
+	for i, j := 0, len(r)-1; i < len(r)/2; i, j = i+1, j-1 {
+		r[i], r[j] = r[j], r[i]
+	}
+	return string(r)
+}

3-importremote/readme.md

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+# Import package from remote modules
+An import path can describe how to obtain the package source code using a revision control system such as Git or Mercurial. The go tool uses this property to automatically fetch packages from remote repositories. 
+
+```bash
+cp -r 2-importpackage 3-importremote
+# change importpackage to importremote
+nano go.mod
+nano importpackage/reverse.go
+# update modules in hello.go
+nano hello.go
+>   package main
+>   
+>   import (
+>   	"fmt"
+>   
+>   	"example/user/importremote/importpackage"
+>   
+>   	"github.com/google/go-cmp/cmp"
+>   )
+>   
+>   func main() {
+>   	fmt.Println(importpackage.ReverseRunes("!oG ,olleH"))
+>   	fmt.Println(cmp.Diff("Hello World", "Hello Go"))
+>   }
+# get all requirements and download modules
+go mod tidy
+# run code
+go run hello.go
+```