renumber again

048-string-functions/string-functions.go

@@ -0,0 +1,26 @@
+// ## String Functions
+
+package main
+
+import "strings"
+import "fm"
+
+func p(o interface{}) {
+	fmt.Println(o)
+}
+
+func main() {
+    p("hello"[0])
+    p(strings.Contains("test", "es"))
+    p(strings.Count("test", "t"))
+    p(strings.HasPrefix("test", "te"))
+    p(strings.HasSuffix("test", "st"))
+	p(strings.Index("test", "e"))
+    p(strings.Join([]string{"a","b"}, "-"))
+    p(strings.Repeat("a", 5))
+    p(strings.Replace("foo", "o", "0", -1))
+    p(strings.Replace("foo", "o", "0", 1))
+    p(strings.Split("a-b-c-d-e", "-"))
+    p(strings.ToLower("TEST"))
+    p(strings.ToUpper("test"))
+}