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the type operator "is" is not work correctly use the checked mode #2209

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DartBot opened this issue Mar 17, 2012 · 2 comments
Closed

the type operator "is" is not work correctly use the checked mode #2209

DartBot opened this issue Mar 17, 2012 · 2 comments
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closed-not-planned Closed as we don't intend to take action on the reported issue

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@DartBot
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DartBot commented Mar 17, 2012

This issue was originally filed by 13thLunati...@gmail.com

What steps will reproduce the problem?

  1. define a variable as the type of Dynamic
  2. test the type use the "is" operator
  3. oops!

For the example in the dartboard:
  http://try.dartlang.org/s/ToYy

What is the expected output? What do you see instead?
expected with apply to a Dynamic(double) value:
  "is Dynamic" --> true
  "is int" --> false
  "is double" --> true
  "is num" --> true
  "is String" --> false
instead:
  "is Dynamic" --> true
  "is int" --> true // oops!
  "is double" --> true
  "is num" --> true
  "is String" --> false
 

What version of the product are you using? On what operating system?
check at about:
  2012-03-17 18:00+09:00 (Asia/Tokyo).
environment is:
  Arch Linux (x86_64) kernel 3.2.9 / KDE 4.8.1 / Firefox 11.0

Please provide any additional information below.

I tried the same source code and use Dart VM(latest; continuous build version at the same time). it's work fine without the problem reporting the issue.

The problem is dangerously to the exceptional error handling, to see the example on the dartboard code.
@iposva-google
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Added Area-Dartboard, Triaged labels.

@dgrove
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dgrove commented Jan 11, 2013

At some point, we would like to create a next-generation Dartboard. In the meantime, dartboard has been deprecated.

Added WontFix label.

@kevmoo kevmoo added closed-not-planned Closed as we don't intend to take action on the reported issue and removed resolution-wont_fix labels Mar 1, 2016
dart-bot pushed a commit that referenced this issue Oct 29, 2019
@sigurdm
Update the pub version
3ce89fd 
Includes the following commits:
80ac76400ff58fde3c5a335d860d196c3febe837 Warn about authors field in pubspec.yaml
6b6e02fcdd8094ccbba919b2fdc74947b1cebb71 Warn about old flutter plugin registration format (#2233)
8308acbc48ebd4da4ab7f45169af8dee4df18e79 Language versioning
b18d4f6a5d035f4f72ef187e9cdb133d18848c2d update doc
408bdd58ab01689fd82cc036b4142f7b592b4ba0 Added utility for faster local testing (#2235)
055fc19d2e06e819dbd47b3b56909c47bd893f66 Upgraded package:yaml to 2.2.0 (#2237)
0f3baf7abb13702f7fb1ff3709c584065df1435c Remove unused Map `availableVersions`
cfa9dc760b6b601f9473e65d15f15b60a319336d Fix to show proper error message when git is not installed (#2209)
d99b0d58f4059d7bb4ac4616fd3d54ec00a2b5d4 Rephrase warnings for missing deps (#2203)
76b8c30395b37f96d3db3e842344cc842bdd7c24 Don't mention 'transformed dependencies'. (#2199)
4bd65e0f54e6e4540f03467b0272a5666e8d54ba return the hashCode of the description (#2198)
92b52682e8fc6eed9ef2e77ed890647f75570165 Test more pre-release behavior. (#2175)
066ac118d406500f672339e25f0154af9321deac update to latest pkg:analyzer (#2172)
289804a5d2c9746b4e86c271c2abcfe17417e20f Minor typo fixed (#2166)

Change-Id: I3922bcaacb5399853a291b92d7192d21f719d224
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/123404
Reviewed-by: Jonas Jensen <jonasfj@google.com>
Commit-Queue: Sigurd Meldgaard <sigurdm@google.com>
copybara-service bot pushed a commit that referenced this issue Sep 12, 2023
@devoncarew
[deps] rev dartdoc, ecosystem, http, native, test, tools, webdev
4722e4d 
Revisions updated by `dart tools/rev_sdk_deps.dart`.

dartdoc (https://github.com/dart-lang/dartdoc/compare/f5750f5..dd28f4c):
  dd28f4ce  2023-09-11  dependabot[bot]  Bump actions/cache from 3.3.1 to 3.3.2 (#3497)
  2ac7e323  2023-09-11  dependabot[bot]  Bump actions/upload-artifact from 3.1.2 to 3.1.3 (#3496)

ecosystem (https://github.com/dart-lang/ecosystem/compare/2e6c3ec..e96fbdb):
  e96fbdb  2023-09-12  Moritz  Try a fix for the health check socket issues (#164)
  4cc5005  2023-09-11  Alexander Thomas  Add missing license header to license.dart (#166)
  3fbab6c  2023-09-10  Moritz  Fix boolean condition in `publish.yaml` (#163)

http (https://github.com/dart-lang/http/compare/7fb6fd6..de19214):
  de19214  2023-09-12  Sam Rawlins  Avoid passing a nullable value to Completer<nn-type>.complete (#1015)

native (https://github.com/dart-lang/native/compare/a2dfedc..5177659):
  5177659  2023-09-12  Daco Harkes  [native_assets_builder] Speedup builds for 0 or 1 packages with native assets (#129)
  7f30f4b  2023-09-12  Daco Harkes  [native_assets_builder] Take packageLayout for build and dryRun (#127)
  a7cd31e  2023-09-12  Daco Harkes  `PackageLayout` constructor for already parsed `PackageConfig` (#126)
  9f24b64  2023-09-11  Daco Harkes  [native_toolchain_c] Fix MSVC x86 toolchain resolution (#124)
  07e1de5  2023-09-06  Daco Harkes  Reenable example on CI + roll dep (#122)
  387f894  2023-09-06  Gabriel Terwesten  [native_toolchain_c] Default handling for PIC/PIE compiler flags (#121)
  0a4e5f8  2023-09-06  Gabriel Terwesten  Add support for defines to `CBuilder` (#120)

test (https://github.com/dart-lang/test/compare/27dcae1..6449495):
  64494959  2023-09-11  Jacob MacDonald  skip failing wasm tests (#2091)
  83ae0d9f  2023-09-07  Jacob MacDonald  Fix running browser tests that use deferred loading (#2090)

tools (https://github.com/dart-lang/tools/compare/2c8cbd6..fa01f9b):
  fa01f9b  2023-09-11  Elias Yishak  `--disable-telemetry` --> `--disable-analytics` (#145)

webdev (https://github.com/dart-lang/webdev/compare/9487a45..6b21ecf):
  6b21ecf0  2023-09-11  dependabot[bot]  Bump actions/labeler from 4.2.0 to 4.3.0 (#2177)
  78a5fece  2023-09-11  Sam Rawlins  Avoid passing a nullable value to Future<nn-type>.value or Completer<nn-type>.completer. (#2205)
  6f282432  2023-09-11  Parker Lougheed  [webdev] Hide `--null-safety` option (#2206)
  1c5a7bc7  2023-09-11  Parker Lougheed  Replace deprecated lints (#2208)
  f0656b4a  2023-09-11  Parker Lougheed  Fix a few minor spelling mistakes (#2209)
  158223b2  2023-09-11  Parker Lougheed  Update old dartlang.org links to new .dev equivalents (#2210)
  a8d114c5  2023-09-11  Elliott Brooks  Update the comment for lookupResolvedPackageUris
  76e050c6  2023-09-11  Elliott Brooks  Clear the map of relative URIs on DartUri.clear()
  38a17ced  2023-09-11  dependabot[bot]  Bump dart-lang/setup-dart from 1.3.0 to 1.5.0 (#2212)
  cca9e56d  2023-09-11  Elliott Brooks  Reset Webdev after release (#2227)
  824dcef7  2023-09-11  Elliott Brooks  Reset DWDS after release (#2225)
  45c09a80  2023-09-08  Elliott Brooks  Prepare Webdev for release to 3.0.8 (#2224)
  805d3b7e  2023-09-08  dependabot[bot]  Bump actions/cache from 3.2.2 to 3.3.2 (#2223)
  85d4e760  2023-09-08  Elliott Brooks  Prepare DWDS for release to version 21.0.0 (#2221)
  a3757f06  2023-09-08  Anna Gringauze  Run monorepo generate (#2222)
  c991e85a  2023-09-07  dependabot[bot]  Bump actions/checkout from 3.2.0 to 4.0.0 (#2219)
  9851c23c  2023-09-07  Parker Lougheed  Update SDK constraints for Dart 3.0 and 3.1 stable releases (#2207)

Change-Id: I0caf74af171916d30eb8ee2ab78c15acaebaa229
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/325560
Auto-Submit: Devon Carew <devoncarew@google.com>
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Commit-Queue: Devon Carew <devoncarew@google.com>
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