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std::filesystem::path::parent_path

From cppreference.com
< cpp‎ | filesystem‎ | path
 
 
 
 
path parent_path() const;
(since C++17)

Returns the path to the parent directory.

If has_relative_path() returns false, the result is a copy of *this. Otherwise, the result is a path whose generic format pathname is the longest prefix of the generic format pathname of *this that produces one fewer element in its iteration.

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