use return; when the function returns void values.

[wickedOne]

this raises an error while it shouldn't:

public function foo($qux): void
{
    $bar = function ($baz) { return $baz + $qux; }
}

[ZhukV]

Clone is #119

[podhy]

same error even if using latest master branch

[xalopp]

Also get an error

 104 | ERROR | Use return null; when a function explicitly returns null values and use return; when the function returns void values (Symfony.Functions.ReturnType.Invalid)

with Version 3.4.0

for this piece of code:

function test(): void
{
    $t = function(): int {
        return 1;
    };
}