Allow zero sized etl::array

include/etl/array.h

@@ -640,7 +640,7 @@ namespace etl
     //*************************************************************************
     ETL_NODISCARD
     ETL_CONSTEXPR14
-    reference at(size_t i)
+    reference at(size_t)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -653,7 +653,7 @@ namespace etl
     //*************************************************************************
     ETL_NODISCARD
     ETL_CONSTEXPR14
-    const_reference at(size_t i) const
+    const_reference at(size_t) const
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -667,7 +667,7 @@ namespace etl
     //*************************************************************************
     ETL_NODISCARD
     ETL_CONSTEXPR14
-    reference operator[](size_t i)
+    reference operator[](size_t)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -680,7 +680,7 @@ namespace etl
     ///\param i The index of the element to access.
     //*************************************************************************
     ETL_NODISCARD
-    ETL_CONSTEXPR const_reference operator[](size_t i) const
+    ETL_CONSTEXPR const_reference operator[](size_t) const
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -907,7 +907,7 @@ namespace etl
     /// Fills the array with the specified value.
     ///\param value The value to fill the array with.
     //*************************************************************************
-    ETL_CONSTEXPR14 void fill(parameter_t value)
+    ETL_CONSTEXPR14 void fill(parameter_t)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
     }
@@ -916,9 +916,8 @@ namespace etl
     /// Swaps the contents of this array and another.
     ///\param other A reference to the other array.
     //*************************************************************************
-    ETL_CONSTEXPR14 void swap(array& other) ETL_NOEXCEPT
+    ETL_CONSTEXPR14 void swap(array&) ETL_NOEXCEPT
     {
-      ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
     }
 
     //*************************************************************************
@@ -929,7 +928,7 @@ namespace etl
     ///\return An iterator to the first unassigned array element, or end().
     //*************************************************************************
     template <typename TIterator>
-    iterator assign(TIterator first, const TIterator last)
+    iterator assign(TIterator, const TIterator)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -944,7 +943,7 @@ namespace etl
     ///\return An iterator to the first array element set to 'value', or end().
     //*************************************************************************
     template <typename TIterator>
-    iterator assign(TIterator first, const TIterator last, parameter_t value)
+    iterator assign(TIterator, const TIterator, parameter_t)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -956,7 +955,7 @@ namespace etl
     ///\param position The index of the position to insert at.
     ///\param value    The value to insert.
     //*************************************************************************
-    inline iterator insert_at(size_t position, parameter_t value)
+    inline iterator insert_at(size_t, parameter_t)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -968,7 +967,7 @@ namespace etl
     ///\param position The iterator to the position to insert at.
     ///\param value    The value to insert.
     //*************************************************************************
-    iterator insert(const_iterator position, parameter_t value)
+    iterator insert(const_iterator, parameter_t)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -982,7 +981,7 @@ namespace etl
     ///\param last     The iterator to one past the final item in the range.
     //*************************************************************************
     template <typename TIterator>
-    inline iterator insert_at(size_t position, TIterator first, const TIterator last)
+    inline iterator insert_at(size_t, TIterator, const TIterator)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -996,7 +995,7 @@ namespace etl
     ///\param last     The iterator to one past the final item in the range.
     //*************************************************************************
     template <typename TIterator>
-    iterator insert(const_iterator position, TIterator first, const TIterator last)
+    iterator insert(const_iterator, TIterator, const TIterator)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -1008,7 +1007,7 @@ namespace etl
     /// After erase, the last value in the array will be unmodified.
     ///\param position The index of the position to erase at.
     //*************************************************************************
-    inline iterator erase_at(size_t position)
+    inline iterator erase_at(size_t)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -1020,7 +1019,7 @@ namespace etl
     /// After erase, the last value in the array will be unmodified.
     ///\param position The iterator to the position to erase at.
     //*************************************************************************
-    iterator erase(const_iterator position)
+    iterator erase(const_iterator)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -1033,7 +1032,7 @@ namespace etl
     ///\param first The first item to erase.
     ///\param last  The one past the last item to erase.
     //*************************************************************************
-    iterator erase_range(size_t first, size_t last)
+    iterator erase_range(size_t, size_t)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -1046,7 +1045,7 @@ namespace etl
     ///\param first The first item to erase.
     ///\param last  The one past the last item to erase.
     //*************************************************************************
-    iterator erase(const_iterator first, const_iterator last)
+    iterator erase(const_iterator, const_iterator)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -1058,7 +1057,7 @@ namespace etl
     ///\param position The index of the position to erase at.
     ///\param value    The value to use to overwrite the last element in the array.
     //*************************************************************************
-    inline iterator erase_at(size_t position, parameter_t value)
+    inline iterator erase_at(size_t, parameter_t)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -1070,7 +1069,7 @@ namespace etl
     ///\param position The iterator to the position to erase at.
     ///\param value    The value to use to overwrite the last element in the array.
     //*************************************************************************
-    iterator erase(const_iterator position, parameter_t value)
+    iterator erase(const_iterator, parameter_t)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -1083,7 +1082,7 @@ namespace etl
     ///\param last  The one past the last item to erase.
     ///\param value The value to use to overwrite the last elements in the array.
     //*************************************************************************
-    iterator erase_range(size_t first, size_t last, parameter_t value)
+    iterator erase_range(size_t, size_t, parameter_t)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));
 
@@ -1095,7 +1094,7 @@ namespace etl
     ///\param position The iterator to the position to erase at.
     ///\param value    The value to use to overwrite the last elements in the array.
     //*************************************************************************
-    iterator erase(const_iterator first, const_iterator last, parameter_t value)
+    iterator erase(const_iterator, const_iterator, parameter_t)
     {
       ETL_ASSERT_FAIL(ETL_ERROR(array_out_of_range));