Overall slowness

[flodel]

Hi,

When I run multiple tests on a file, a lot of time is wasted running the same things for each test. find_region is the main culprit.

I'd like to suggest that the lint package make use of the memoise package. For example, add memoize(find_region). Doing this made my process run four times faster but I had to insert memoize in an unconventional and hacky way (via unlockBinding, assignInNamespace, etc.).

Thanks for considering it.

[tyner]

I concur with flodel. Also, dispatch_test seems to cause the file to be read twice:

function (test, file, parse.data = getParseData(parse(file, keep.source = TRUE)), 
          lines = readLines(file), quiet = FALSE, warning = with_default(test$warning, FALSE))

once by parse() and also by readLines().

Thanks