Data commit

Task/Empty-string/Go/empty-string-1.go

@@ -0,0 +1,14 @@
+// define and initialize an empty string
+var s string
+s2 := ""
+
+// assign an empty string to a variable
+s = ""
+
+// check that a string is empty, any of:
+s == ""
+len(s) == 0
+
+// check that a string is not empty, any of:
+s != ""
+len(s) != 0 // or > 0

Task/Empty-string/Go/empty-string-2.go

@@ -0,0 +1,23 @@
+package main
+
+import (
+	"fmt"
+)
+
+func test(s string) {
+	if len(s) == 0 {
+		fmt.Println("empty")
+	} else {
+		fmt.Println("not empty")
+	}
+}
+
+func main() {
+	// assign an empty string to a variable.
+	str1 := ""
+	str2 := " "
+	// check if a string is empty.
+	test(str1) // prt empty
+	// check that a string is not empty.
+	test(str2) // prt not empty
+}