Contents

update(_:)

Updates the buffer synchronously on the CPU. The buffer is only valid for the lifetime of the callback.

Declaration

final func update<R, E>(_ body: @_lifetime(0: copy 0) (inout MutableRawSpan) throws(E) -> R) throws(E) -> R where E : Error, R : ~Copyable

Parameters

  • body:

    A closure that receives a mutable span over the buffer’s bytes for in-place modification.

Discussion