Added new named constructor to create enum from mixed #135
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michaelpetri
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andrew-demb
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drealecs
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The current implementation of Enum requires to pass a valid enum value to class constructor. With this new named constructor we can just pass any value to enum and get an instance or unexpected value exception.
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Ocramius
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mnapoli
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drealecs
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| * @psalm-pure | ||
| * @psalm-assert T $value | ||
| */ | ||
| public static function assertValidValue($value): void |
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I propose to not extend the API also with this static method and have it private.
I wanted to change how it behaves here: #136 (comment)
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I understand what you say. Yes, it can be useful as a public API as well to just validate without creating the instances.
It would have help a bit in making sure is_array or array_search are not called in constructor more than once when object is created,
is_array is already called twice when from() is used and I was thinking that should also be optimized.
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And this endpoint can be made completely independent from the ctor in the patch doing the perf optimization, no?
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…ound to any template These functions had a `T` template parameter in them, but this `T` is completely decoupled from the one defined at class-level (and therefore at `Enum` instance level, rather than statically): * `Enum::from()` * `Enum::isValid()` * `Enum::assertValidValue()` * `Enum::assertValidValueReturningKey()` (internal detail) In practice, this means that myclabs#135 (Added new named constructor to create enum from mixed) was not a valid approach to infer types for enumerable values, when performed statically. A new approach will be attempted, but the current one will likely need to be scrapped for now. In practice, `@psalm-assert`, `@psalm-assert-if-true` and `@psalm-return static<T>` had no effect on these methods, due to a design-level issue that wasn't spotted (by myself either) at review.
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The current implementation of Enum requires to pass a valid enum value to class constructor. With this new named constructor we can just pass any value to enum and get an instance or unexpected value exception. In the end it's like the class constructor except for it makes psalm happy.