Function CaseInsensitiveStringEquals

oneflow/core/common/util.cpp:116–120

namespace {

bool CaseInsensitiveStringEquals(const std::string& lhs, const std::string& rhs) {
  return lhs.size() == rhs.size()
         && std::equal(lhs.begin(), lhs.end(), rhs.begin(),
                       [](char a, char b) { return std::tolower(a) == std::tolower(b); });
}

bool StringToBool(const std::string& str) {
  return CaseInsensitiveStringEquals(str, "1") || CaseInsensitiveStringEquals(str, "true")