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<?php
namespace Webmozart\Assert\Tests\StaticAnalysis;
use Webmozart\Assert\Assert;
/**
* @psalm-pure
*
* @return lowercase-string
*/
function lower(string $value): string
{
Assert::lower($value);
return $value;
}
/**
* @psalm-pure
*
* @return null|lowercase-string
*/
function nullOrLower(?string $value): ?string
{
Assert::nullOrLower($value);
return $value;
}
/**
* @psalm-pure
*
* @param iterable<string> $value
*
* @return iterable<lowercase-string>
*/
function allLower(iterable $value): iterable
{
Assert::allLower($value);
return $value;
}
/**
* @psalm-pure
*
* @param iterable<string|null> $value
*
* @return iterable<lowercase-string|null>
*/
function allNullOrLower(iterable $value): iterable
{
Assert::allNullOrLower($value);
return $value;
}
|
