On 11-08-27 04:59 PM, aditya siram wrote:
Many times I've changed files, loaded them, hit a compilation error and needed, for example, the inferred type signature of some function. Even though that function hasn't been changed I have to either fix my code, undo a bunch of changes or comment out the last change I made and reload in order to do a ":type" on the function. This really breaks the flow of development.
In #haskell, we came up with the idea of running two instances of ghci. Try loading in one instance first; if good, commit to the other instance too; if bad, you still have the other instance in a functional state. Presumably, this should be automated by some middleware.
(We were discussing the prospect of auto-reload, i.e., automatically poll source file timestamps and reload.)
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