Data commit

Task/Empty-string/V-(Vlang)/empty-string-1.v

@@ -0,0 +1,13 @@
+// define and initialize an empty string
+mut s := ""
+
+// assign an empty string to a variable
+s = ""
+
+// check that a string is empty, any of:
+s == ""
+s.len() == 0
+
+// check that a string is not empty, any of:
+s != ""
+s.len() != 0 // or > 0

Task/Empty-string/V-(Vlang)/empty-string-2.v

@@ -0,0 +1,17 @@
+fn test(s string) {
+	if s.len() == 0 {
+		println("empty")
+	} else {
+		println("not empty")
+	}
+}
+
+fn 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
+}