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Psalm don't keep callable type in union types after condition #11062

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vjik opened this issue Aug 3, 2024 · 1 comment

Contributor

vjik commented Aug 3, 2024

See https://psalm.dev/r/393eb25a8a

psalm-github-bot bot commented Aug 3, 2024

I found these snippets:

https://psalm.dev/r/393eb25a8a

<?php

/**
 * @psalm-param array|callable():array $var
 */
function text(mixed $var): array
{   
    if (is_array($var)) {
        return $var;
    }

    /** @psalm-trace $var */

    return call_user_func($var);
}

Psalm output (using commit 16b24bd):

INFO: MixedReturnStatement - 14:12 - Could not infer a return type

INFO: Trace - 14:5 - $var: callable-object|callable-string

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