Commit ff7ce07d authored by David Gobbi's avatar David Gobbi

Simplify extern template declaration

For C++11 (and for some pre-C++11 compilers via extensions) a template
instantiation can be declared "extern" so that the compiler will avoid
generating more than one copy of the code for that template.

This commit is an attempt to simplify the use of extern template in VTK.
parent be8d2a8e
Pipeline #25731 passed with stage