Proposal: Block Expressions for Java
scolebourne at joda.org
Sat Mar 7 07:57:19 PST 2009
> On Fri, Mar 6, 2009 at 12:50 PM, Tim Peierls <tim at peierls.net> wrote:
>> I kind of like Neal's block expression proposal, but I am struggling to find
>> more compelling examples for it.
Neal Gafter wrote:
> The places I would have found this most useful are in a super()
> invocation, where you simply can't write a local variable before,
The correct solution to this is to allow code before super(). That might
be out of scope for Coin, but it is a better solution.
> in a control-flow expression of one sort or another, like ?:, &&, ||,
> or on the right-hand-side of an assert statement. This kind of thing
> is particularly useful in automatically-generated code.
Again, there is a use case here, but manly for auto-generated code. (The
cases where this comes up otherwise are very rare, and handled by a
Adding this feature isn't overly harmful, but I don't think its
especially in the Java-style (ie. it fits expression only languages like
Personally I'm opposed.
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