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From: Frederick Virchanza Gotham <cauldwell.thomas@gmail.com>
Date: Fri, 24 Jun 2022 08:45:18 +0100
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Subject: string::find(string_view) is missing from <debug/string>
To: "libstdc++" <libstdc++@gcc.gnu.org>
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I was hoping to replace "std::string" with "__gnu_debug::string" in my
program, but when I do so, it no longer compiles.

It fails to compile because "__gnu_debug::string" is missing the
member function:

    template <class StringViewLike>
    constexpr size_type find( StringViewLike const &t, size_type pos =
0u ) const noexcept;

This member function was added in C++17. Are there any intentions to
add it to __gnu_debug?