Children<TNode>.SingleOfTypeOrDefault Method
Definition
Returns the only node in the collection of the specified type. Returns the specified default if there are no nodes in the collection of the specified type. Throws if there are multiple nodes in the collection of the specified type.
public TChild? SingleOfTypeOrDefault<TChild>(TChild? @default = null)
where TChild : TNode;
Type Parameters
| Name | Description |
|---|---|
TChild |
The type of the node to return. |
Parameters
| Name | Type | Description |
|---|---|---|
default |
TChild |
The default value to return if the collection does not contain any nodes of type TChild. |
Returns
TChild
The single node if it is of type TChild or default if there are no nodes of type TChild.