first commit

createAGoModule/hello/go.mod

@@ -0,0 +1,7 @@
+module example.com/hello
+
+go 1.17
+
+replace example.com/greetings => ../greetings
+
+require example.com/greetings v0.0.0-00010101000000-000000000000

createAGoModule/hello/hello.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+    "fmt"
+	"log"
+
+    "example.com/greetings"
+)
+
+func main() {
+    // Set properties of the predefined Logger, including
+    // the log entry prefix and a flag to disable printing
+    // the time, source file, and line number.
+    log.SetPrefix("greetings: ")
+    log.SetFlags(0)
+
+
+    // Request a greeting message.
+    // message, err := greetings.Hello("Gladys")
+	
+    // A slice of names.
+    names := []string{"Gladys", "Samantha", "Darrin"}
+	message, err := greetings.Hellos(names)
+
+    // If an error was returned, print it to the console and
+    // exit the program.
+    if err != nil {
+        log.Fatal(err)
+    }
+
+    // If no error was returned, print the returned message
+    // to the console.
+    fmt.Println(message)
+}