ReadOnlySpan<T>.Length Property  
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
The number of items in the read-only span.
public:
 property int Length { int get(); };public int Length { get; }member this.Length : intPublic ReadOnly Property Length As IntegerProperty Value
The number of items.