Support std::array in Golang (#2045)

Support std::array in Golang

Closes #2045

Examples/test-suite/go/cpp11_std_array_runme.go

@@ -0,0 +1,68 @@
+package main
+
+import (
+  "fmt"
+  "swigtests/cpp11_std_array"
+)
+
+func CompareContainers(actual cpp11_std_array.ArrayInt6, expected [6]int) error {
+  if int(actual.Size()) != len(expected) {
+    return fmt.Errorf("Sizes are different: %d %d", actual.Size(), len(expected))
+  }
+  for i := 0; i < int(actual.Size()); i++ {
+    actualValue := actual.Get(i)
+    expectedValue := expected[i]
+    if actualValue != expectedValue {
+      return fmt.Errorf("Value is wrong for element %d. Expected %d got: %d", i, expectedValue, actualValue)
+    }
+  }
+  if actual.IsEmpty() {
+	  return fmt.Errorf("ai should not be empty")
+  }
+  return nil
+}
+
+func main() {
+  ai := cpp11_std_array.NewArrayInt6()
+  ps := [6]int{0, 0, 0, 0, 0, 0}
+  CompareContainers(ai, ps)
+
+  vals := [6]int{10, 20, 30, 40, 50, 60}
+  for i := 0; i < len(vals); i++ {
+    ai.Set(i, vals[i])
+  }
+  CompareContainers(ai, vals);
+
+  // Check return
+  vals = [6]int{-2, -1, 0, 0, 1, 2}
+  CompareContainers(cpp11_std_array.ArrayOutVal(), vals);
+  CompareContainers(cpp11_std_array.ArrayOutConstRef(), vals);
+  CompareContainers(cpp11_std_array.ArrayOutRef(), vals);
+  CompareContainers(cpp11_std_array.ArrayOutPtr(), vals);
+
+  // Check passing arguments
+  vals = [6]int{9, 8, 7, 6, 5, 4}
+  valsArrayInt6 := cpp11_std_array.NewArrayInt6()
+  for i := 0; i < len(vals); i++ {
+    valsArrayInt6.Set(i, vals[i])
+  }
+
+  ai = cpp11_std_array.ArrayInVal(valsArrayInt6);
+  CompareContainers(ai, vals);
+
+  ai = cpp11_std_array.ArrayInConstRef(valsArrayInt6);
+  CompareContainers(ai, vals);
+
+  ai = cpp11_std_array.NewArrayInt6(valsArrayInt6);
+  cpp11_std_array.ArrayInRef(ai);
+  CompareContainers(ai, vals);
+
+  ai = cpp11_std_array.NewArrayInt6(valsArrayInt6);
+  cpp11_std_array.ArrayInPtr(ai);
+  CompareContainers(ai, vals);
+
+  // Fill
+  ai.Fill(111)
+  vals = [6]int{111, 111, 111, 111, 111, 111}
+  CompareContainers(ai, vals);
+}