Hi Chapel Users,
As many of you know, we have been working on implementing the 'initializers'
language feature with the eventual goal of replacing constructors. We are
pleased to announce that starting today initializers will be enabled by default
on master, and for the 1.18 release in Fall 2018.
Quick summary of events:
July 23rd - initializers enabled by default
July 30th - deprecation warning for constructors
Previously the compiler would generate a constructor for types that did not
specify an initializer or a constructor:
```chpl
class C {
var x : int;
}
var c = new C(42); // calls constructor!
```
In the 1.18 release, the compiler will generate an initializer for type 'C'
instead of a constructor. In most cases, users can invoke the generated
initializer in the same way as the generated constructor.
For those of you using constructors, and working off of master, fear not!
Constructors can still be used in the 1.18 release, but will be accompanied by
a deprecation warning at compile-time. This warning will be introduced to the
master branch on July 30th. We recommend updating your code to use
initializers, because constructors will eventually be removed entirely from the
language. See the technote for more information on how to use initializers:
https://chapel-lang.org/docs/technotes/initializers.html
As always, feel free to file issues on GitHub or join us on gitter if you
encounter problems.
Thanks!
-Ben Harshbarger
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