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string index access does not assert non-empty-string #9754

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kkmuffme opened this issue May 6, 2023 · 1 comment
Open

string index access does not assert non-empty-string #9754

kkmuffme opened this issue May 6, 2023 · 1 comment
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enhancement

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@kkmuffme
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kkmuffme commented May 6, 2023

https://psalm.dev/r/200b14bb67

Trace should be non-empty-string
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I found these snippets:

https://psalm.dev/r/200b14bb67 
<?php

/**
 * @var string $foo
 */
if ( $foo[0] === 'a' ) {
 	/** @psalm-trace $foo */;   
}
Psalm output (using commit 0ea2a6a):

INFO: Trace - 7:27 - $foo: string

kkmuffme added a commit to kkmuffme/psalm that referenced this issue May 6, 2023
@kkmuffme
fix tests/internal code
ad7be63 
@var comments needed due to vimeo#9754 and vimeo#9753
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@orklah @kkmuffme