Block expressions with `yield` for its value?

[Brian Goetz]

This came up when we did switch expressions.  Brief answer: no. Blocks 
already have a pretty strong association in Java -- something that holds 
statements.  Java developers would likely find it a jarring gear-change 
to start seeing these as expressions. Additionally, it creates new 
points of confusion, such as interaction of yield with break/continue, 
or nested block expressions (next request would be: can I yield to an 
uplevel expression?)  This is as far as we're comfortable going right now.

On 8/24/2022 3:26 PM, Tesla Zhang wrote:
> Hi all,
>
>
> Since switch expressions have block bodies with `yield` specifying its 
> value, is it a good idea to generalize this to all blocks, and allow 
> blocks as expressions?
>
> ------------------------------------------------------------------------
> Regards,
> Tesla
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