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Paul Gschwendtner b558a01c84 fix(core): generic inference for signal inputs may break with --strictFunctionTypes (#54652)
This commit fixes that the generic inference for signal inputs may break
with `--strictFunctionTypes`.

We are not using --strictFunctionTypes` in all tests, so function parameters are always
checked bivariantly- while in 1P function parameters are checked contravariantly. This
breaks sub-typing and e.g. `InputSignal<number>` is not a subtype of `InputSignalWithTransform<unknown, number>`.

Root cause is that the input signal captures the equality function that
is exclusively concerned with the `ReadT`. And `ReadT` is never equal, or a
supertype of unknown.

https://www.typescriptlang.org/play?#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-H3G6PZ5vL40KYJZhg59DeOS4tQxBw5hI9HYz2XQaJS2yQWi9YS1xNY9o7r9ZKU2gnc0AEwzDTZVgAUSaABF7wAFe8ZF8ZXJZDJwAAGhSFFwMByNgMAAGKEuBCCxGKfb-nA6C0JglArqugpaEAA

PR Close #54652
2024-03-04 19:07:47 +01:00
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