tree 9335c5dfaf7652e1770a759ede28c245383754af
parent 8fe0abe6d9f69f735e93d7055687fce4b56e80bf
author Patrick Williams <patrick@stwcx.xyz> 1630676028 -0500
committer Patrick Williams <patrick@stwcx.xyz> 1630676049 -0500

exception: catch by reference

`catch` should always be done by reference to avoid object slicing and
excess copy-constructor calls.  Preference is for exceptions to also
be caught 'const'.  (Both of these come from the C++ Core Guidelines)

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ic8cd1e138220e501699525e9c8d53cd581e2598c