AsCast()
System::AsCast(const Source&) function
Casts the source type to the result type using ‘as’ operator cast. Used when simple constructor-like cast is needed.
template<typename Result,typename Source> std::enable_if_t<Details::CastType<Source, Result>::Static, Result> System::AsCast(const Source &value)
Template parameters
| Parameter | Description |
|---|---|
| Source | The source type. |
| Result | The result type. |
Arguments
| Parameter | Type | Description |
|---|---|---|
| value | const Source& | Object to cast. |
Return Value
The cast result.
System::AsCast(const Source&) function
Casts the source type to the result type using ‘as’ operator cast. Used when the source and the result types are the same.
template<typename Result,typename Source> std::enable_if_t<Details::CastType<Source, Result>::None, Result> System::AsCast(const Source &value)
Template parameters
| Parameter | Description |
|---|---|
| Source | The source type. |
| Result | The result type. |
Arguments
| Parameter | Type | Description |
|---|---|---|
| value | const Source& | Object to cast. |
Return Value
The cast result.
System::AsCast(const Source&) function
Casts the source type to the result type using ‘as’ operator cast. Used for exception wrappers.
template<typename Result,typename Source> std::enable_if_t<Details::CastType<Source, Result>::Exception, Result> System::AsCast(const Source &value)
Template parameters
| Parameter | Description |
|---|---|
| Source | The source type. |
| Result | The result type. |
Arguments
| Parameter | Type | Description |
|---|---|---|
| value | const Source& | Object to cast. |
Return Value
The cast result. Returns nullptr if no conversion available.
System::AsCast(const Source&) function
Casts the source type to the result type using ‘as’ operator cast. Used for casting object to exception.
template<typename Result,typename Source> std::enable_if_t<Details::CastType<Source, Result>::ObjectToException, Result> System::AsCast(const Source &value)
Template parameters
| Parameter | Description |
|---|---|
| Source | The source type. |
| Result | The result type. |
Arguments
| Parameter | Type | Description |
|---|---|---|
| value | const Source& | Object to cast. |
Return Value
The cast result. Returns nullptr if no conversion available.
System::AsCast(const Source&) function
Casts the source type to the result type using ‘as’ operator cast. Used when the source and result both are smart pointers.
template<typename Result,typename Source> std::enable_if_t<Details::CastType<Source, Result>::Pointer, typename CastResult<Result>::type> System::AsCast(const Source &value)
Template parameters
| Parameter | Description |
|---|---|
| Source | The source type. |
| Result | The result type. |
Arguments
| Parameter | Type | Description |
|---|---|---|
| value | const Source& | Object to cast. |
Return Value
The cast result. Returns nullptr if no conversion available.
System::AsCast(const Source&) function
Casts the source type to the result type using ‘as’ operator cast. Used when the source and result both are smart pointers (with expicit SmartPtr<…> in result type).
template<typename Result,typename Source> std::enable_if_t<Details::CastType<Source, Result>::PointerToPointer, Result> System::AsCast(const Source &value)
Template parameters
| Parameter | Description |
|---|---|
| Source | The source type. |
| Result | The result type. |
Arguments
| Parameter | Type | Description |
|---|---|---|
| value | const Source& | Object to cast. |
Return Value
The cast result. Returns nullptr if no conversion available.
System::AsCast(const Source&) function
Casts the source type to the result type using ‘as’ operator cast. Used for unboxing object to nullable.
template<typename Result,typename Source> std::enable_if_t<Details::CastType<Source, Result>::UnboxingToNullable, Result> System::AsCast(const Source &value)
Template parameters
| Parameter | Description |
|---|---|
| Source | The source type. |
| Result | The result type. |
Arguments
| Parameter | Type | Description |
|---|---|---|
| value | const Source& | Object to cast. |
Return Value
The cast result. Returns empty nullable if no conversion available.
System::AsCast(const Source&) function
Casts the source type to the result type using ‘as’ operator cast. Used for boxing nullable object.
template<typename Result,typename Source> std::enable_if_t<Details::CastType<Source, Result>::NullableBoxing, Result> System::AsCast(const Source &value)
Template parameters
| Parameter | Description |
|---|---|
| Source | The source type. |
| Result | The result type. |
Arguments
| Parameter | Type | Description |
|---|---|---|
| value | const Source& | Object to cast. |
Return Value
The cast result.
System::AsCast(const Source&) function
Casts the source type to the result type using ‘as’ operator cast. Used for boxing common object.
template<typename Result,typename Source> std::enable_if_t<Details::CastType<Source, Result>::Boxing, typename CastResult<Result>::type> System::AsCast(const Source &value)
Template parameters
| Parameter | Description |
|---|---|
| Source | The source type. |
| Result | The result type. |
Arguments
| Parameter | Type | Description |
|---|---|---|
| value | const Source& | Object to cast. |
Return Value
The cast result.
System::AsCast(const Source&) function
Casts the source type to the result type using ‘as’ operator cast. Used for string unboxing.
template<typename Result,typename Source> std::enable_if_t<Details::CastType<Source, Result>::UnboxingToString, Result> System::AsCast(const Source &value)
Template parameters
| Parameter | Description |
|---|---|
| Source | The source type. |
| Result | The result type. |
Arguments
| Parameter | Type | Description |
|---|---|---|
| value | const Source& | Object to cast. |
Return Value
The cast result.
System::AsCast(const Source&) function
Casts the source type to the result type using ‘as’ operator cast. Used for nullptr casing.
template<typename Result,typename Source> std::enable_if_t<Details::CastType<Source, Result>::Null, typename CastResult<Result>::type> System::AsCast(const Source &value)
Template parameters
| Parameter | Description |
|---|---|
| Source | The source type. |
| Result | The result type. |
Arguments
| Parameter | Type | Description |
|---|---|---|
| value | const Source& | Object to cast. |
Return Value
The cast result.
System::AsCast(const Source&) function
Casts the source type to the result type using ‘as’ operator cast. Used to cast between arrays.
template<typename Result,typename Source> std::enable_if_t<Details::CastType<Source, Result>::Array, typename CastResult<Result>::type> System::AsCast(const Source &value)
Template parameters
| Parameter | Description |
|---|---|
| Source | The source type. |
| Result | The result type. |
Arguments
| Parameter | Type | Description |
|---|---|---|
| value | const Source& | Object to cast. |
Return Value
The cast result. Returns nullptr if no conversion for any array member is available.
See Also
- Typedef Exception
- Struct CastResult
- Namespace System
- Library Aspose.Slides