Run clang-tidy’s modernize-use-equals-default pass.

This replaces empty constructors and destructors with the default
keyword.

9 files changed, 18 insertions, 31 deletions

diff --git a/src/util/ege-tags.cpp b/src/util/ege-tags.cpp
index dcc28f370..3b9f68df8 100644
--- a/src/util/ege-tags.cpp
+++ b/src/util/ege-tags.cpp
@@ -62,14 +62,12 @@ Label::Label(std::string const& lang, std::string const& value) :
 }
 
 Label::~Label()
-{
-}
+= default;
 
 // =========================================================================
 
 Tag::~Tag()
-{
-}
+= default;
 
 Tag::Tag(std::string const& key) :
     key(key)
@@ -86,8 +84,7 @@ TagSet::TagSet() :
 }
 
 TagSet::~TagSet()
-{
-}
+= default;
 
 void TagSet::setLang(std::string const& lang)
 {
diff --git a/src/util/expression-evaluator.h b/src/util/expression-evaluator.h
index bb29d7f26..23b431a8e 100644
--- a/src/util/expression-evaluator.h
+++ b/src/util/expression-evaluator.h
@@ -177,7 +177,7 @@ public:
         msgstr = os.str();
     }
 
-    ~EvaluatorException() throw() override {} // necessary to destroy the string object!!!
+    ~EvaluatorException() throw() override = default; // necessary to destroy the string object!!!
 
     const char *what() const throw () override {
         return msgstr.c_str();
diff --git a/src/util/fixed_point.h b/src/util/fixed_point.h
index cfc6e4020..02d536ecc 100644
--- a/src/util/fixed_point.h
+++ b/src/util/fixed_point.h
@@ -24,7 +24,7 @@ namespace Util {
 template <typename T, unsigned int precision>
 class FixedPoint {
 public:
-    FixedPoint() {}
+    FixedPoint() = default;
     FixedPoint(const FixedPoint& value) : v(value.v) {}
     FixedPoint(char value) : v(static_cast<T>(value)<<precision) {}
     FixedPoint(unsigned char value) : v(static_cast<T>(value)<<precision) {}
diff --git a/src/util/forward-pointer-iterator.h b/src/util/forward-pointer-iterator.h
index 4f8e88637..eaf5a7a25 100644
--- a/src/util/forward-pointer-iterator.h
+++ b/src/util/forward-pointer-iterator.h
@@ -37,7 +37,7 @@ public:
 
     typedef ForwardPointerIterator<BaseType const, Strategy> Self;
 
-    ForwardPointerIterator() : _p(NULL) {}
+    ForwardPointerIterator() = default;
     ForwardPointerIterator(pointer p) : _p(p) {}
 
     operator pointer() const { return _p; }
diff --git a/src/util/list-container.h b/src/util/list-container.h
index e123fea0c..d39a40ee7 100644
--- a/src/util/list-container.h
+++ b/src/util/list-container.h
@@ -24,7 +24,7 @@ template <typename T>
 class ListContainer {
 public:
     /* default constructible */
-    ListContainer() {}
+    ListContainer() = default;
 
     /* assignable */
     ListContainer(ListContainer const &other) {
diff --git a/src/util/list.h b/src/util/list.h
index ea2fa871e..ffe04d9f3 100644
--- a/src/util/list.h
+++ b/src/util/list.h
@@ -22,7 +22,7 @@ namespace Util {
 /// Generic ListCell for Inkscape::Util::List.
 template <typename T>
 struct ListCell : public GC::Managed<> {
-    ListCell() {}
+    ListCell() = default;
     ListCell(typename Traits::Reference<T>::RValue v, ListCell *n)
     : value(v), next(n) {}
 
@@ -205,7 +205,7 @@ protected:
 template <typename T>
 class MutableList : public List<T> {
 public:
-    MutableList() {}
+    MutableList() = default;
     explicit MutableList(typename List<T>::const_reference value,
                          MutableList const &next=MutableList())
     : List<T>(value, next) {}
diff --git a/src/util/share.h b/src/util/share.h
index a2672afa4..cc3387325 100644
--- a/src/util/share.h
+++ b/src/util/share.h
@@ -24,7 +24,7 @@ class ptr_shared {
 public:
 
     ptr_shared() : _string(nullptr) {}
-        ptr_shared(ptr_shared const &other) : _string(other._string) {}
+        ptr_shared(ptr_shared const &other) = default;
 
     operator char const *() const { return _string; }
     operator bool() const { return _string; }
@@ -54,10 +54,7 @@ public:
         return _string - other._string;
     }
 
-    ptr_shared &operator=(ptr_shared const &other) {
-        _string = other._string;
-        return *this;
-    }
+    ptr_shared &operator=(ptr_shared const &other) = default;
 
     bool operator==(ptr_shared const &other) const {
         return _string == other._string;
diff --git a/src/util/units.cpp b/src/util/units.cpp
index 7854abf77..ffa2681c6 100644
--- a/src/util/units.cpp
+++ b/src/util/units.cpp
@@ -129,7 +129,7 @@ public:
     typedef Glib::Markup::ParseContext Ctx;
 
     UnitParser(UnitTable *table);
-    ~UnitParser() override {}
+    ~UnitParser() override = default;
 
 protected:
     void on_start_element(Ctx &ctx, Glib::ustring const &name, AttrMap const &attrs) override;
diff --git a/src/util/ziptool.cpp b/src/util/ziptool.cpp
index e5ece00e4..2146710dd 100644
--- a/src/util/ziptool.cpp
+++ b/src/util/ziptool.cpp
@@ -60,8 +60,7 @@ Adler32::Adler32()
  * Destructor
  */
 Adler32::~Adler32()
-{
-}
+= default;
 
 /**
  * Reset Adler-32 checksum to initial value.
@@ -117,8 +116,7 @@ Crc32::Crc32()
  * Destructor
  */
 Crc32::~Crc32()
-{
-}
+= default;
 
 static bool crc_table_ready = false;
 static unsigned long crc_table[256];
@@ -315,8 +313,7 @@ Inflater::Inflater() :
  *
  */
 Inflater::~Inflater()
-{
-}
+= default;
 
 /**
  *
@@ -915,9 +912,7 @@ Deflater::Deflater()
  *
  */
 Deflater::~Deflater()
-{
-
-}
+= default;
 
 /**
  *
@@ -1439,8 +1434,7 @@ GzipFile::GzipFile() :
  * Destructor
  */
 GzipFile::~GzipFile()
-{
-}
+= default;
 
 /**
  *  Print error messages
@@ -1925,8 +1919,7 @@ ZipEntry::ZipEntry(const std::string &fileNameArg,
  * Destructor
  */
 ZipEntry::~ZipEntry()
-{
-}
+= default;
 
 
 /**