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Allowing null pointers is undesirable #24

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DartBot opened this issue Oct 10, 2011 · 2 comments
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Allowing null pointers is undesirable #24

DartBot opened this issue Oct 10, 2011 · 2 comments
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closed-duplicate Closed in favor of an existing report

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DartBot commented Oct 10, 2011

This issue was originally filed by cf...@gmail.com

Short version: Null pointers are a really good way to mess up a program at runtime, and I'd like the Dart team to reevaluate whether they're absolutely required.

Slightly longer version: I would say the #­1 cause of issues in my programs (excluding logical errors/requirements errors) are NPEs. Having a language support NPE removal, be it via some clever compiler warning or simply removing null altogether, would be wonderful. I'm personally partial to Scala's method of null removal, but I'm sure PL gurus like yourselves have seen many others.

Dart has a stated goal of avoiding the creation of programs that "are difficult to debug or maintain." NPEs are a huge pain point in this regard. I'd be really happy if the Dart team reevaluated whether they are absolutely required to achieve the other aims.
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DartBot commented Oct 10, 2011

This comment was originally written by cf...@gmail.com

This is a duplicate of #­22, Google Code returned a 502 when I submitted #­22 so I didn't see it had gone through. Please delete this copy.

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DartBot commented Oct 10, 2011

This comment was originally written by johnle...@google.com

Added Duplicate label.
Marked as being merged into #22.

@DartBot DartBot added Type-Defect closed-duplicate Closed in favor of an existing report labels Oct 10, 2011
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pq added a commit that referenced this issue Nov 10, 2015
@pq
Bump DEPS to 0.1.5.
7468ed1 
Pulls in:

* Added `prefer_is_not_empty` lint rule (#143).
* Added `type_annotate_public_apis` lint rule (#24).
* Added `avoid_as` lint rule (#145).
* Fixed `non_constant_identifier_names` rule to special case underscore identifiers in callbacks.
* Fix to escape `_`s in callback type validation (addresses false positives in `always_specify_types`) (#147).

R=keertip@google.com

Review URL: https://codereview.chromium.org/1434773002 .
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