The material manager for the code running now: the host manager a
runWithMaterialManager bracket installed, else the LuxarApp's.
Construction is deferred until first access via a Proxy. Tests can
call __resetMaterialManagerForTests to start fresh between
cases. Call-site syntax is unchanged from a directly-exported instance.
The material manager for the code running now: the host manager a runWithMaterialManager bracket installed, else the LuxarApp's.
Construction is deferred until first access via a Proxy. Tests can call __resetMaterialManagerForTests to start fresh between cases. Call-site syntax is unchanged from a directly-exported instance.