GO by example, part 5

5-go-by-example/41-sorting.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"fmt"
+	"sort"
+)
+
+// Go’s sort package implements sorting for builtins and user-defined types
+func main() {
+	// Sort methods are specific to the builtin type
+
+	// an example for strings
+	// sorting is in-place, so it changes the given slice and doesn’t return a new one
+	strs := []string{"c", "a", "b"}
+	sort.Strings(strs)
+	fmt.Println("Strings:", strs)
+
+	// an example of sorting ints
+	ints := []int{7, 2, 4}
+	sort.Ints(ints)
+	fmt.Println("Ints:   ", ints)
+
+	// use sort to check if a slice is already in sorted order
+	s := sort.IntsAreSorted(ints)
+	fmt.Println("Sorted: ", s)
+}