Support expressions in selectattr/rejectattr again, more efficiently#450

Merged

tectonic8 merged 3 commits intomasterfrom select-attr-expressions

Jun 5, 2020

+81-11

Commits on Jun 5, 2020

Evaluate first argument of select_attr as expression
Hartek Sabharwal
committed
Add method to remove resolved expressions from context
Hartek Sabharwal
committed
Test select_attr can evaluate expressions
Hartek Sabharwal
committed