tree 15b9744ff6de592938ddd7340382de2bf1818024
parent 5b4357da283bb924e6ce8e94f594c42b17eda39c
author William A. Kennington III <wak@google.com> 1670038561 -0800
committer William A. Kennington III <wak@google.com> 1670038561 -0800

mapperx: Use lambdas and move

This reduces the number of type-erased copies we have to store and makes
the type work with interface changes to the underlying stored callback
type.

Change-Id: Ieccd0e7f182177e47e8d8d4ef836521109f1a2e7
Signed-off-by: William A. Kennington III <wak@google.com>