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```ts
// your answers
type IsUnion = [T] extends [never]
? false
: T extends unknown
? [U] extends [T]
? false
: true
: never;
```
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### 🔎 Search Terms
type parameter as mapped type
### 🕗 Version & Regression Information
5.7.0-dev.20240821
### ⏯ Playground Link
https://www.typescriptlang.org/play/?ts=5.7.0-dev.20240821#code/C…
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**Describe the bug**
When a widget uses `ref.listen` to listen for a provider and that widget rebuilds, `ref.onCancel` is getting unexpectedly called. The behavior when using `ref.watch` works as exp…
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**Describe the bug**
I have a chat screen that watches a family provider that retrieves the messages using the chat Id as a family parameter, when the user receives a message notification I try to in…
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When using a TextInput and the html-editor-enhanced once the Textinput has got focus you cannot type anything in the HTML-editor anymore and the TextInput will always get the focus.
When clicking o…
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I am rather unclear about the concept of PECS, and was trying to wrap my mind around it after my TA explained it to us during lab. From what I know,
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Let's say I have a module `A` with a parameter `x` that defines some functions. Next I want to define another module `B` with parameters `x` and `y`, and I want functions in `B` to call functions from…
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## Expected Behavior
The `extends` property in `commitlint.config.js` should resolve configs using es6-style default exports.
## Current Behavior
Currently, `commitlint` appears to on…
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We need to refactor stateful components into proper React.Component classes rather than the current functional components which is getting crowded with useState/useEffects.
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![screenshot from 2015-06-30 08-32-43](https://cloud.githubusercontent.com/assets/7513068/8424485/eab8ea86-1f03-11e5-935e-30fb476f0f43.png)