Infer phpdoc return type based on shape

[simPod]

I wonder if there's any way to infer a type for phpdoc from shape().

I often define a complex type using shape(). Then I want to put it into a method to allow it's reuse.
However, there's no way to somehow make phpstan infer the method's return type so you have to redefine the shape again in your @return phpdoc.

/**
 * @return IHaveToWriteThisComplexShapeAgainForPhpdocWhichIsVeryTedious
 */
function coerce(mixed $v): array {
   return shape(...)->coerce($v);
}

Any ideas how this could be improved?

[ondrejmirtes]

Any ideas how this could be improved?

It can't without making PHPStan much slower.

Your best option is to repeat the array shape in @return as you're doing now.

You could also write a custom script (with the help of custom PHPStan collectors) that would sync the PHPDoc array shape with the actually returned array shape by your function.

[simPod]

Aight, thanks for input.

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