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[clang-tidy] convert several functions to const &

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Found with performance-unnecessary-value-param

Signed-off-by: Rosen Penev <rosenp@gmail.com>
This commit is contained in:
Rosen Penev
2020-01-31 21:10:03 -08:00
parent 4b0444e760
commit 452c41b71f
12 changed files with 45 additions and 40 deletions
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4
src/db/plugins/simple/Directory.cxx
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@@ -220,8 +220,8 @@ Directory::Sort() noexcept
void
Directory::Walk(bool recursive, const SongFilter *filter,
VisitDirectory visit_directory, VisitSong visit_song,
VisitPlaylist visit_playlist) const
const VisitDirectory& visit_directory, const VisitSong& visit_song,
const VisitPlaylist& visit_playlist) const
{
if (IsMount()) {
assert(IsEmpty());

4
src/db/plugins/simple/Directory.hxx
View File

@@ -284,8 +284,8 @@ public:
* Caller must lock #db_mutex.
*/
void Walk(bool recursive, const SongFilter *match,
VisitDirectory visit_directory, VisitSong visit_song,
VisitPlaylist visit_playlist) const;
const VisitDirectory& visit_directory, const VisitSong& visit_song,
const VisitPlaylist& visit_playlist) const;
gcc_pure
LightDirectory Export() const noexcept;