Feedback for the command syntax and the behavior of the temporary variable
Paul Sandoz
paul.sandoz at oracle.com
Mon Jun 29 07:49:10 UTC 2015
On Jun 28, 2015, at 7:11 AM, ShinyaYoshida <bitterfoxc at gmail.com> wrote:
> 2. Opinion for the behavior of the temporary variable.
> His opinion is "Currently the temporary variable can be re-assigned, but it
> doesn't make sense. It should be final.":
>
> -> 0
> | Expression value is: 0
> | assigned to temporary variable $1 of type int
>
> -> $1 = 10
> | Variable $1 has been assigned the value 10
>
I was wondering about that too. So far i have persuaded myself this behaviour is ok since it is not possible to have explicit `final` variables:
-> final int i = 0
| Warning:
| Modifier 'final' not permitted in top-level declarations, ignored
| final int i = 0;
| ^---^
| Added variable i of type int with initial value 0
I noticed another potential inconsistency:
-> "foo"
| Expression value is: "foo"
| assigned to temporary variable $1 of type String
-> int x = 1
| Added variable x of type int with initial value 1
-> x
| Variable x of type int has value 1
I was expecting x to be assigned to a temporary variable.
Separately, it may not be that hard to support the following gIven the support for assigning the value of an expression to a temporary variable:
> x = 1
| Added variable x of type int with initial value 1
Paul.
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