Functions store a reference to the module where they were
defined and load "module" variables from there.
Right now there's only one "main" module, but this is a step
in the right direction. Perf is down, though. :(
binary_trees - wren .......... 3026 0.33s 88.28% relative to baseline
delta_blue - wren .......... 7248 0.14s 94.32% relative to baseline
fib - wren .......... 2414 0.41s 88.08% relative to baseline
for - wren .......... 6753 0.15s 78.79% relative to baseline
method_call - wren .......... 6624 0.15s 100.03% relative to baseline
Bob Nystrom
b3f556adba