Add UTF8,16,32 support to the Memory Visualizer.

tests/hellounicode/hellounicode.cpp

@@ -0,0 +1,31 @@
+#include <iostream>
+#include <stdlib.h>
+
+int main (int argc, char* argv[]) {
+
+    std::wstring   w_redrum   = { L"All work and no play makes Jack a dull boy.\n" };
+
+    std::string    u8_redrum  = { u8"All work and no play makes Jack a dull boy.\n" };
+
+    std::u16string u16_redrum = { u"All work and no play makes Jack a dull boy.\n" };
+
+    std::u32string u32_redrum = { U"All work and no play makes Jack a dull boy.\n" };
+
+    std::u16string u16_hungry = { u"nǐ chīle ma.\n" };
+
+    // Do something with the strings so they don't get optimized out.
+    std::cout << w_redrum.length()   << std::endl;
+    std::cout << u8_redrum.length()  << std::endl;
+    std::cout << u16_redrum.length() << std::endl;
+    std::cout << u32_redrum.length() << std::endl;
+    std::cout << u16_hungry.length() << std::endl;
+
+    const wchar_t*  w_ptr      = w_redrum.data();
+    const char*     u8_ptr     = u8_redrum.data();
+    const char16_t* u16_ptr    = u16_redrum.data();
+    const char32_t* u32_ptr    = u32_redrum.data();
+    const char16_t* hungry_ptr = u16_hungry.data();
+
+    return 0;
+}
+