How to use encode and decode of std.utf

[Jonathan M Davis via Digitalmars-d-learn]

On Sunday, September 10, 2017 00:05:42 ag0aep6g via Digitalmars-d-learn 
wrote:
> On 09/09/2017 11:54 PM, solidstate1991 wrote:
> > There's not much deep documentation about the functions, and I'm
> > interested if it can decode into UTF16 from UTF8.
>
> toUTF16 can transcode from UTF-8. As linked there, byUTF!wchar does the
> same but lazily.
>
> ----
> import std.utf;
> string s8 = "foobär"; /* UTF-8 */
> wstring s16_eager = s8.toUTF16; /* UTF-16 */
> auto s16_lazy = s8.byUTF!wchar; /* also UTF-16, but a range */
> ----

You can also just do to!wstring on a string, though I think that that calls
toUTF16 internally.

- Jonathan M Davis