05.0.md

eBook/examples/chapter_5/string_conversion2.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"fmt"
+	"strconv"
+)
+
+func main() {
+	var orig string = "ABC"
+	// var an int
+	var newS string
+	// var err error
+
+	fmt.Printf("The size of ints is: %d\n", strconv.IntSize)	  
+	// anInt, err = strconv.Atoi(origStr)
+	an, err := strconv.Atoi(orig)
+	if err != nil {
+		fmt.Printf("orig %s is not an integer - exiting with error\n", orig)
+		return
+	} 
+	fmt.Printf("The integer is %d\n", an)
+	an = an + 5
+	newS = strconv.Itoa(an)
+	fmt.Printf("The new string is: %s\n", newS)
+}