Function TrimLeadingWhitespaces

library/cpp/yt/string/string.cpp:68–72

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[[nodiscard]] TStringBuf TrimLeadingWhitespaces(TStringBuf str Y_LIFETIME_BOUND)
{
    auto begin = str.find_first_not_of(' ');
    return begin == TStringBuf::npos ? "" : str.substr(begin);
}

[[nodiscard]] TStringBuf Trim(TStringBuf str Y_LIFETIME_BOUND, TStringBuf whitespaces)
{