Printer: prints fn() without space

Author: dg

readme.md

@@ -372,7 +372,7 @@ echo (new Nette\PhpGenerator\Printer)->printArrowFunction($closure);
 Result:
 
 ```php
-fn ($a, $b) => $a + $b
+fn($a, $b) => $a + $b
 ```
 
 Attributes

src/PhpGenerator/Printer.php

@@ -81,7 +81,7 @@ public function printArrowFunction(Closure $closure): string
 		}
 
 		return self::printAttributes($closure->getAttributes(), null)
-			. 'fn '
+			. 'fn'
 			. ($closure->getReturnReference() ? '&' : '')
 			. $this->printParameters($closure, null)
 			. $this->printReturnType($closure, null)

tests/PhpGenerator/Printer.arrow.phpt

@@ -18,7 +18,7 @@ $function
 $function->addParameter('a');
 $function->addParameter('b');
 
-Assert::same('fn &($a, $b) => $a + $b;', (new Printer)->printArrowFunction($function));
+Assert::same('fn&($a, $b) => $a + $b;', (new Printer)->printArrowFunction($function));
 
 
 
@@ -27,7 +27,7 @@ $function
 	->setReturnType('array')
 	->setBody('[]');
 
-Assert::same('fn (): array => [];', (new Printer)->printArrowFunction($function));
+Assert::same('fn(): array => [];', (new Printer)->printArrowFunction($function));
 
 
 Assert::exception(function () {