Method WriteInt64

test/perftest/misctest.cpp:662–669

    }

    bool WriteInt64(int64_t i64) {
        if (i64 < 0) {
            os_->Put('-');
            i64 = -i64;
        }
        WriteUint64((uint64_t)i64);
        return true;
    }

    bool WriteUint64(uint64_t u64) {
        char buffer[20];