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Incorrect automatically type infer #57921
Description
🔎 Search Terms
automatically infer
🕗 Version & Regression Information
- This is NOT a crash
⏯ Playground Link
No response
💻 Code
There is no issue
function test<T>(t1: T, t2: T): never {
throw Error('todo');
}
function custom<T>(f: (data: T) => T): T {
throw Error('todo');
}
async function main() {
test(10, custom((data) => {
throw Error('todo')
}))
}
Function custom correctly inffered
There is issue
function test<T>(options: {
t1: T,
t2: T
}): never {
throw Error('todo');
}
function custom<T>(f: (data: T) => T): T {
throw Error('todo');
}
async function main() {
test({
t1: 10,
t2: custom((data) => {
throw Error('todo')
})
})
}
Function custom incorrectly inffered, the T should be number instead of unknown
🙁 Actual behavior
Function custom incorrectly infered, the T infered as unknown
🙂 Expected behavior
Function custom correctly infered, the T infered as number
Additional information about the issue
No response
Activity
RyanCavanaugh commentedon Mar 25, 2024
#47599
typescript-bot commentedon Mar 28, 2024
This issue has been marked as "Duplicate" and has seen no recent activity. It has been automatically closed for house-keeping purposes.