r.r

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.

enum r;
enum r;
template r(string[] a)
@nogc nothrow extern (C)
static if(!(a.length == 0))
static if(a.length == 1)
enum r = a[0];
enum r;

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ssll commaSeparated r manifest constants

r