Author here: I should add that compiling the 20 Crystal source files (144k in total) took 45 seconds on the same machine where I run the tests, which is very lo

Author here: I should add that compiling the 20 Crystal source files (144k in total) took 45 seconds on the same machine where I run the tests, which is very long, even compared to my (much larger) C++ applications. I compiled with "crystal build --release --no-debug harness.cr"