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Need way to tell if a List is read-only #8113

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jmesserly opened this issue Jan 24, 2013 · 3 comments
Closed

Need way to tell if a List is read-only #8113

jmesserly opened this issue Jan 24, 2013 · 3 comments
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area-core-library SDK core library issues (core, async, ...); use area-vm or area-web for platform specific libraries. closed-duplicate Closed in favor of an existing report library-core type-enhancement A request for a change that isn't a bug

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@jmesserly
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This is sort of related to http://dartbug.com/7982

If I get a List instance, it would be nice to have a test for if it's read-only or has a fixed length. Maybe a boolean property (analogous to the existing "isEmpty").
@floitschG
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We would like to avoid these flags unless there is a really good use-case for them.
In general you should say what you want, and expect that the right List has been given to you. If your method behaves differently depending on the container it should potentially receive an extra argument, so it knows what it is supposed to do.
But I don't know your code, so maybe I'm missing something.

@lrhn
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lrhn commented Aug 16, 2013

Removed Type-Defect label.
Added Type-Enhancement label.

@floitschG
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Added Duplicate label.
Marked as being merged into #13926.

@jmesserly jmesserly added Type-Enhancement area-core-library SDK core library issues (core, async, ...); use area-vm or area-web for platform specific libraries. library-core closed-duplicate Closed in favor of an existing report labels Nov 5, 2013
@floitschG floitschG mentioned this issue Jun 3, 2015
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@kevmoo kevmoo added type-enhancement A request for a change that isn't a bug and removed type-enhancement labels Mar 1, 2016
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area-core-library SDK core library issues (core, async, ...); use area-vm or area-web for platform specific libraries. closed-duplicate Closed in favor of an existing report library-core type-enhancement A request for a change that isn't a bug
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@kevmoo @jmesserly @lrhn @floitschG