subscript(_:as:)
Get a value in this array as a file descriptor.
Declaration
subscript(index: Int, as type: FileDescriptor.Type = FileDescriptor.self) -> FileDescriptor? { get }Parameters
- index:
The index at which to get the file descriptor.
- type:
The expected type of the resulting value.
Return Value
A file descriptor value or nil if no such value was found.
Overview
The returned file descriptor is owned by the caller so they must close it.