Method empty

Bcore/src/main/cpp/Dobby/tests/catch.hpp:6419–6421

namespace Catch {

bool SourceLineInfo::empty() const noexcept {
  return file[0] == '\0';
}
bool SourceLineInfo::operator==(SourceLineInfo const &other) const noexcept {
  return line == other.line && (file == other.file || std::strcmp(file, other.file) == 0);
}