Arrays - resize( )

include/ebcl/Arrays.hh

@@ -11,6 +11,11 @@
 namespace ebcl {
 
 
+// TODO:
+//	* add addAll({})
+//	* add ={} / cons({})
+
+
 /*= DYNAMIC ARRAYS ===========================================================*/
 
 template< class T >
@@ -120,6 +125,17 @@ class T_Array final
 
 	MyType_& ensureCapacity( uint32_t capacity ) noexcept;
 
+	template<
+		typename Q = T ,
+		typename = std::enable_if_t< std::is_default_constructible< Q >::value >
+	> MyType_& resize( const uint32_t size );
+
+	template<
+		typename Q = T ,
+		typename = std::enable_if_t< std::is_copy_constructible< Q >::value >
+	> MyType_& resize( const uint32_t size ,
+			T const& value );
+
 	// ---------------------------------------------------------------------
 
 	T& operator[] ( uint32_t index ) noexcept;

include/ebcl/inline/Arrays.hh

@@ -179,6 +179,37 @@ inline T_Array< T >& T_Array< T >::ensureCapacity(
 	return *this;
 }
 
+template< typename T >
+template< typename Q , typename >
+inline T_Array< T >& T_Array< T >::resize(
+		const uint32_t size )
+{
+	if ( size > size_ ) {
+		ensureCapacity( size );
+		for ( auto i = size_ ; i < size_ ; i ++ ) {
+			::new ( reinterpret_cast< char* >( &data_[ i ] ) ) T( );
+		}
+	}
+	size_ = size;
+	return *this;
+}
+
+template< typename T >
+template< typename Q , typename >
+inline T_Array< T >& T_Array< T >::resize(
+		const uint32_t size ,
+		T const& value )
+{
+	if ( size > size_ ) {
+		ensureCapacity( size );
+		for ( auto i = size_ ; i < size_ ; i ++ ) {
+			::new ( reinterpret_cast< char* >( &data_[ i ] ) ) T( value );
+		}
+	}
+	size_ = size;
+	return *this;
+}
+
 /*----------------------------------------------------------------------------*/
 
 template< typename T >