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explicitly mark parameters as nullable

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Thomas A. Hirsch
2025-01-28 15:50:41 +01:00
parent 230770a277
commit 60f49fa1e3
6 changed files with 6 additions and 6 deletions
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lib/MrClay/Cli.php
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@@ -108,7 +108,7 @@ class Cli
* @return Arg
* @throws InvalidArgumentException
*/
public function addArgument($letter, $required, Arg $arg = null)
public function addArgument($letter, $required, ?Arg $arg = null)
{
if (! preg_match('/^[a-zA-Z]$/', $letter)) {
throw new InvalidArgumentException('$letter must be in [a-zA-Z]');