pub fn find(runtime: bool) -> Result<(PathBuf, String), String> {
    search_libclang_directories(runtime)?
        .iter()
        // We want to find the `libclang` shared library with the highest
        // version number, hence `max_by_key` below.
        //
        // However, in the case where there are multiple such `libclang` shared
        // libraries, we want to use the order in which they appeared in the
        // list returned by `search_libclang_directories` as a tiebreaker since
        // that function returns `libclang` shared libraries in descending order
        // of preference by how they were found.
        //
        // `max_by_key`, perhaps surprisingly, returns the *last* item with the
        // maximum key rather than the first which results in the opposite of
        // the tiebreaking behavior we want. This is easily fixed by reversing
        // the list first.
        .rev()
        .max_by_key(|f| &f.2)
        .cloned()
        .map(|(path, filename, _)| (path, filename))
        .ok_or_else(|| "unreachable".into())
}
/// Finds the "best" `libclang` shared library and returns the directory and
/// filename of that library.

Finds the "best" `libclang` shared library and returns the directory and
filename of that library.
Finds the " best " ` libclang ` shared library and returns the directory and filename of that library .
pub fn find(runtime: bool) -> Result<(PathBuf, String), String> {
    search_libclang_directories(runtime)?
        .iter()
        // We want to find the `libclang` shared library with the highest
        // version number, hence `max_by_key` below.
        //
        // However, in the case where there are multiple such `libclang` shared
        // libraries, we want to use the order in which they appeared in the
        // list returned by `search_libclang_directories` as a tiebreaker since
        // that function returns `libclang` shared libraries in descending order
        // of preference by how they were found.
        //
        // `max_by_key`, perhaps surprisingly, returns the *last* item with the
        // maximum key rather than the first which results in the opposite of
        // the tiebreaking behavior we want. This is easily fixed by reversing
        // the list first.
        .rev()
        .max_by_key(|f| &f.2)
        .cloned()
        .map(|(path, filename, _)| (path, filename))
        .ok_or_else(|| "unreachable".into())
}
pub fn find ( runtime : bool ) -> Result < ( PathBuf , String ) , String > { search_libclang_directories ( runtime ) ? . iter ( ) // We want to find the `libclang` shared library with the highest
 // version number, hence `max_by_key` below.
 //
 // However, in the case where there are multiple such `libclang` shared
 // libraries, we want to use the order in which they appeared in the
 // list returned by `search_libclang_directories` as a tiebreaker since
 // that function returns `libclang` shared libraries in descending order
 // of preference by how they were found.
 //
 // `max_by_key`, perhaps surprisingly, returns the *last* item with the
 // maximum key rather than the first which results in the opposite of
 // the tiebreaking behavior we want. This is easily fixed by reversing
 // the list first.
 . rev ( ) . max_by_key ( | f | & f . 2 ) . cloned ( ) . map ( | ( path , filename , _ ) | ( path , filename ) ) . ok_or_else ( | | " " . into ( ) ) }
Finds the "best" `libclang` shared library and returns the directory and
filename of that library.
Finds the " best " ` libclang ` shared library and returns the directory and filename of that library .
runtime
bool