all tasks

Task/String-case/Go/string-case.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+    "fmt"
+    "strings"
+    "unicode"
+    "unicode/utf8"
+)
+
+func main() {
+    show("alphaBETA")
+    show("alpha BETA")
+    show("DŽLjnj") // should render similar to DZLjnj
+}
+
+func show(s string) {
+    fmt.Println("\nstring:         ", s, "len:", utf8.RuneCountInString(s))
+    fmt.Println("All upper case: ", strings.ToUpper(s)) // DZLJNJ
+    fmt.Println("All lower case: ", strings.ToLower(s)) // dzljnj
+    fmt.Println("All title case: ", strings.ToTitle(s)) // DzLjNj
+    // notice Title() only modifies first letters of words
+    // non-first letters keep their case.
+    fmt.Println("Title words:    ", strings.Title(s)) //   Dzljnj
+    fmt.Println("Swapping case:  ", strings.Map(unicode.SimpleFold, s))
+}