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Currently I see no way to check if a variable is an object or just simple value, because trying to access child field (even 1 level deep) to check if it isn't null results in FunctionClauseError. Woul…
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How can I get "pattern matching for instanceof" working?
The issue #2345 states that "You can use post-Java11 features that are implemented by javac, like switch expressions, text blocks, and patte…
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In DefaultCodegen. some conditions use `this instanceof RustServerCodegen` and we would like to remove these if possible.
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```js
function myInstanceof(left, right) {
let proto = Object.getPrototypeOf(left), // 获取对象的原型
prototype = right.prototype; // 获取构造函数的 prototype 对象
// 判断构造函数的 prototype 对象是否在对象的原型链上
…
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### Version
29.7.0
### Steps to reproduce
Clone repo:
```
git clone https://github.com/kb-ig/jest-instanceof-resetmodules
```
Install package:
```
npm install
```
Run test:
```
npm …
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refer @stephan-herrmann 's comment at:
https://github.com/eclipse-platform/eclipse.platform.releng.aggregator/issues/2358#issuecomment-2359108740
"
oking at AnnotationCodeMiningProvider we are talk…
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### Version
29.7.0
### Steps to reproduce
Use the following jest.config.js:
```js
module.exports = {
preset: 'ts-jest',
testEnvironment: 'node'
}
```
Simply create the followin…
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https://psalm.dev/r/38e9098a53
Basically `$object instanceof $class` where `$object = Foo` and `$class = class-string` is doing the hierarchy in reverse.
In the example we can see an obvious fai…
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### Bug report
This works
```
if (($obj instanceof ClassA) || ($obj instanceof ClassB)) {
$obj->sayHello();
}
```
and this does not:
```
$isHelloWorld = $obj instanceof ClassA;
$isHelloWo…
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Great tutorial, thanks so much!
Since the comment section was removed, just wanted to add here a correction. In the parragraph: "It also works with constructor functions:" the example below is not a …