diff --git a/src/Psl/Iter/Iterator.php b/src/Psl/Iter/Iterator.php
index 6a26c0b..3f77008 100644
--- a/src/Psl/Iter/Iterator.php
+++ b/src/Psl/Iter/Iterator.php
@@ -159,7 +159,7 @@ final class Iterator implements SeekableIterator, Countable
         }
 
         if ($this->generator) {
-            while($this->position !== $position) {
+            while ($this->position !== $position) {
                 Psl\invariant($this->generator->valid(), 'Position is out-of-bounds.');
                 $this->next();
             }
diff --git a/src/Psl/Iter/filter_nulls.php b/src/Psl/Iter/filter_nulls.php
index 12e7217..c05def1 100644
--- a/src/Psl/Iter/filter_nulls.php
+++ b/src/Psl/Iter/filter_nulls.php
@@ -4,8 +4,8 @@ declare(strict_types=1);
 
 namespace Psl\Iter;
 
-use Psl\Internal;
 use Generator;
+use Psl\Internal;
 
 /**
  * Filter out null values from the given iterable.
@@ -22,9 +22,9 @@ use Generator;
  */
 function filter_nulls(iterable $iterable): Iterator
 {
-    return Internal\lazy_iterator(static function() use($iterable): Generator {
-        foreach($iterable as $value) {
-            if ($value !== null) {
+    return Internal\lazy_iterator(static function () use ($iterable): Generator {
+        foreach ($iterable as $value) {
+            if (null !== $value) {
                 yield $value;
             }
         }
diff --git a/src/Psl/Iter/range.php b/src/Psl/Iter/range.php
index c162acd..15088cd 100644
--- a/src/Psl/Iter/range.php
+++ b/src/Psl/Iter/range.php
@@ -43,7 +43,7 @@ function range($start, $end, $step = null): Iterator
     return Internal\lazy_iterator(
         /**
          * @return Generator<int, T, mixed, void>
-         * 
+         *
          * @see https://github.com/vimeo/psalm/issues/2152#issuecomment-533363310
          *
          * @psalm-suppress InvalidReturnType
@@ -52,36 +52,37 @@ function range($start, $end, $step = null): Iterator
          * @psalm-suppress DocblockTypeContradiction
          */
         static function () use ($start, $end, $step): Generator {
-        if ((float) $start === (float) $end) {
-            yield $start;
-        } elseif ($start < $end) {
-            if (null === $step) {
-                /** @psalm-var T $step */
-                $step = 1;
-            } else {
-                Psl\invariant($step > 0, 'If start < end, the step must be positive');
-            }
+            if ((float) $start === (float) $end) {
+                yield $start;
+            } elseif ($start < $end) {
+                if (null === $step) {
+                    /** @psalm-var T $step */
+                    $step = 1;
+                } else {
+                    Psl\invariant($step > 0, 'If start < end, the step must be positive');
+                }
 
-            Psl\invariant(is_int($step) || is_float($step), '$step must be either an integer or a float.');
-            for ($i = $start; $i <= $end; $i += $step) {
-                Psl\invariant(is_int($i) || is_float($i), '$i must be either an integer or a float.');
                 Psl\invariant(is_int($step) || is_float($step), '$step must be either an integer or a float.');
-                yield $i;
-            }
-        } else {
-            if (null === $step) {
-                /** @psalm-var T $step */
-                $step = -1;
+                for ($i = $start; $i <= $end; $i += $step) {
+                    Psl\invariant(is_int($i) || is_float($i), '$i must be either an integer or a float.');
+                    Psl\invariant(is_int($step) || is_float($step), '$step must be either an integer or a float.');
+                    yield $i;
+                }
             } else {
-                Psl\invariant($step < 0, 'If start > end, the step must be negative');
-            }
+                if (null === $step) {
+                    /** @psalm-var T $step */
+                    $step = -1;
+                } else {
+                    Psl\invariant($step < 0, 'If start > end, the step must be negative');
+                }
 
-            Psl\invariant(is_int($step) || is_float($step), '$step must be either an integer or a float.');
-            for ($i = $start; $i >= $end; $i += $step) {
-                Psl\invariant(is_int($i) || is_float($i), '$i must be either an integer or a float.');
                 Psl\invariant(is_int($step) || is_float($step), '$step must be either an integer or a float.');
-                yield $i;
+                for ($i = $start; $i >= $end; $i += $step) {
+                    Psl\invariant(is_int($i) || is_float($i), '$i must be either an integer or a float.');
+                    Psl\invariant(is_int($step) || is_float($step), '$step must be either an integer or a float.');
+                    yield $i;
+                }
             }
         }
-    });
+    );
 }
diff --git a/src/Psl/Iter/repeat.php b/src/Psl/Iter/repeat.php
index a228af7..c233091 100644
--- a/src/Psl/Iter/repeat.php
+++ b/src/Psl/Iter/repeat.php
@@ -34,7 +34,7 @@ function repeat($value, ?int $num = null): Iterator
 {
     Psl\invariant(null === $num || $num >= 0, 'Number of repetitions must be non-negative');
 
-    return Internal\lazy_iterator(static function () use($value, $num): Generator {
+    return Internal\lazy_iterator(static function () use ($value, $num): Generator {
         if (null === $num) {
             /** @var int $num */
             $num = Math\INFINITY;