Function AppendUnicode

util/string/escape.cpp:182–188

namespace {
    template <class TStr>
    inline void AppendUnicode(TStr& s, wchar32 v) {
        char buf[10];
        size_t sz = 0;

        WriteUTF8Char(v, sz, (ui8*)buf);
        s.AppendNoAlias(buf, sz);
    }

    inline void AppendUnicode(TUtf16String& s, wchar32 v) {
        WriteSymbol(v, s);