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One last flurry with the broom before I leave you slobs to code
in your own filth. Eliminated all the trailing whitespace I
could manage, with special prejudice reserved for the test cases
which depended on the preservation of trailing whitespace.
Was reminded I cannot figure out how to eliminate the trailing
space on the "scala> " prompt in repl transcripts. At least
reduced the number of such empty prompts by trimming transcript
code on the way in.
Routed ConsoleReporter's "printMessage" through a trailing
whitespace stripping method which might help futureproof
against the future of whitespace diseases. Deleted the up-to-40
lines of trailing whitespace found in various library files.
It seems like only yesterday we performed whitespace surgery
on the whole repo. Clearly it doesn't stick very well. I suggest
it would work better to enforce a few requirements on the way in.
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runtime.AbstractPartialFunction provides a default implementation
for the new-style partial function. In principle this class is only
subclassed by compiler-generated partial functions arising from matches.
Either
- the apply method (old-style partialfun) or
- the applyOrElse method (current scheme)
must be overridden, and the isDefinedAt method implemented.
The applyOrElse method implementation is provided to ease the
transition from the old scheme, since starr still generates
old-style PartialFunctions, but locker's library has the
new AbstractPartialFunction.
Thus, this implementation is intended as a drop-in replacement for the
old partial function, and does not require changes to the compiler.
(compiler patches, both for old and new-style pattern matching, follow)
- runtime.AbstractPartialFunction is based on PartialFunction.WithDefault
Original version of FunctionWithDefault by Odersky
(http://article.gmane.org/gmane.comp.lang.scala.internals/4032)
- better performance for OrElse#applyOrElse, OrElse#lift, PF.cond
- new combinator methods: PF#run, PF#runWith, PF.apply
authored by @pavelpavlov, refactored by @adriaanm, review by @paulp
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Moved unlift to the Function companion object, which might have been
better in the first place. Had to make a minor change to genprod, and
then I couldn't escape that unscathed. Finished the not very complete
undertaking I found there to update the scaladoc. Lots of little changes
to the generated text and code.
I changed genprod to only put a unique stamp on Function0 so we can stop
having a 100 file diff everytime an i is dotted somewhere.
Closes #3825, no review.
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Proposed implementation of 'unlift' on Function1, the inverse function
of PartialFunction#lift. Review by rytz and other interested parties.
References #3825, but not closing until this is further considered.
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