Get rid of all PSalm warnings.

composer.json

@@ -22,11 +22,11 @@
         "drupol/php-conventions": "^1.7.1",
         "friends-of-phpspec/phpspec-code-coverage": "^4.3.2",
         "infection/infection": ">= 0.15.3",
-        "phpbench/phpbench": "^0.17.0",
-        "phpspec/phpspec": "^6.1.1",
-        "phpstan/phpstan": "^0.12.29",
+        "phpbench/phpbench": "^0.17.1",
+        "phpspec/phpspec": "^6.2",
+        "phpstan/phpstan": "^0.12.31",
         "phpstan/phpstan-strict-rules": "^0.12",
-        "vimeo/psalm": "^3.11.5"
+        "vimeo/psalm": "^3.12"
     },
     "config": {
         "sort-packages": true

grumphp.yml.dist

@@ -4,6 +4,10 @@ imports:
 parameters:
   process_timeout: 600
   extra_tasks:
+    psalm:
+      show_info: true
+      metadata:
+        priority: 3500
     phpspec:
       verbose: true
       metadata:

psalm.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0"?>
 <psalm
     errorLevel="7"
+    totallyTyped="true"
     resolveFromConfigFile="true"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="https://getpsalm.org/schema/config"

src/Base.php

@@ -94,7 +94,7 @@ final public function __construct($data = [], ...$parameters)
     }
 
     /**
-     * @return ClosureIterator<mixed>
+     * @return ClosureIterator
      */
     public function getIterator(): ClosureIterator
     {

src/Contract/Collection.php

@@ -129,7 +129,7 @@ interface Collection extends
     /**
      * Create a new instance with no items.
      *
-     * @return \loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Contract\Collection
      */
     public static function empty(): Collection;
 
@@ -139,7 +139,7 @@ public static function empty(): Collection;
      * @param mixed $data
      * @param mixed ...$parameters
      *
-     * @return \loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Contract\Collection
      */
     public static function with($data = [], ...$parameters): Collection;
 }

src/Contract/Operation/Appendable.php

@@ -16,7 +16,7 @@ interface Appendable
      *
      * @param mixed ...$items
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function append(...$items): Base;
 }

src/Contract/Operation/Applyable.php

@@ -16,7 +16,7 @@ interface Applyable
      *
      * @param callable ...$callables
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function apply(callable ...$callables): Base;
 }

src/Contract/Operation/Chunkable.php

@@ -16,7 +16,7 @@ interface Chunkable
      *
      * @param int ...$size
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function chunk(int ...$size): Base;
 }

src/Contract/Operation/Collapseable.php

@@ -14,7 +14,7 @@ interface Collapseable
     /**
      * Collapse a collection of items into a simple flat collection.
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function collapse(): Base;
 }

src/Contract/Operation/Columnable.php

@@ -16,7 +16,7 @@ interface Columnable
      *
      * @param int|string $index
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function column($index): Base;
 }

src/Contract/Operation/Combinateable.php

@@ -17,7 +17,7 @@ interface Combinateable
      * @param int $length
      *   The length.
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function combinate(?int $length = null): Base;
 }

src/Contract/Operation/Combineable.php

@@ -16,7 +16,7 @@ interface Combineable
      *
      * @param mixed ...$keys
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function combine(...$keys): Base;
 }

src/Contract/Operation/Cycleable.php

@@ -14,7 +14,7 @@ interface Cycleable
     /**
      * @param int $length
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function cycle(int $length = 0): Base;
 }

src/Contract/Operation/Distinctable.php

@@ -14,7 +14,7 @@ interface Distinctable
     /**
      * Remove duplicated values from a collection.
      *
-     * @return \loophp\collection\Contract\Base<mixed>
+     * @return \loophp\collection\Contract\Base
      */
     public function distinct(): Base;
 }

src/Contract/Operation/Explodeable.php

@@ -16,7 +16,7 @@ interface Explodeable
      *
      * @param mixed ...$explodes
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function explode(...$explodes): Base;
 }

src/Contract/Operation/Filterable.php

@@ -16,7 +16,7 @@ interface Filterable
      *
      * @param callable ...$callbacks
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function filter(callable ...$callbacks): Base;
 }

src/Contract/Operation/Flattenable.php

@@ -18,7 +18,7 @@ interface Flattenable
      *
      * @param int $depth
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function flatten(int $depth = PHP_INT_MAX): Base;
 }

src/Contract/Operation/Flipable.php

@@ -14,7 +14,7 @@ interface Flipable
     /**
      * Flip keys and items in a collection.
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function flip(): Base;
 }

src/Contract/Operation/Forgetable.php

@@ -16,7 +16,7 @@ interface Forgetable
      *
      * @param string ...$keys
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function forget(...$keys): Base;
 }

src/Contract/Operation/Frequencyable.php

@@ -9,7 +9,7 @@
 interface Frequencyable
 {
     /**
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function frequency(): Base;
 }

src/Contract/Operation/Intersperseable.php

@@ -19,7 +19,7 @@ interface Intersperseable
      * @param int $every
      * @param int $startAt
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function intersperse($element, int $every = 1, int $startAt = 0): Base;
 }

src/Contract/Operation/Iterateable.php

@@ -15,7 +15,7 @@ interface Iterateable
      * @param callable $callback
      * @param mixed ...$parameters
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public static function iterate(callable $callback, ...$parameters): Base;
 }

src/Contract/Operation/Keysable.php

@@ -14,7 +14,7 @@ interface Keysable
     /**
      * Get the keys of the items.
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function keys(): Base;
 }

src/Contract/Operation/Limitable.php

@@ -16,7 +16,7 @@ interface Limitable
      *
      * @param int $limit
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function limit(int $limit): Base;
 }

src/Contract/Operation/Loopable.php

@@ -12,7 +12,7 @@
 interface Loopable
 {
     /**
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function loop(): Base;
 }

src/Contract/Operation/Mapable.php

@@ -16,7 +16,7 @@ interface Mapable
      *
      * @param callable ...$callbacks
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function map(callable ...$callbacks): Base;
 }

src/Contract/Operation/Mergeable.php

@@ -16,7 +16,7 @@ interface Mergeable
      *
      * @param iterable<mixed> ...$sources
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function merge(iterable ...$sources): Base;
 }

src/Contract/Operation/Normalizeable.php

@@ -14,7 +14,7 @@ interface Normalizeable
     /**
      * Replace, reorder and use numeric keys on a collection.
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function normalize(): Base;
 }

src/Contract/Operation/Nthable.php

@@ -17,7 +17,7 @@ interface Nthable
      * @param int $step
      * @param int $offset
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function nth(int $step, int $offset = 0): Base;
 }

src/Contract/Operation/Onlyable.php

@@ -16,7 +16,7 @@ interface Onlyable
      *
      * @param mixed ...$keys
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function only(...$keys): Base;
 }

src/Contract/Operation/Padable.php

@@ -17,7 +17,7 @@ interface Padable
      * @param int $size
      * @param mixed $value
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function pad(int $size, $value): Base;
 }

src/Contract/Operation/Permutateable.php

@@ -14,7 +14,7 @@ interface Permutateable
     /**
      * Find all the permutations of a collection.
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function permutate(): Base;
 }

src/Contract/Operation/Pluckable.php

@@ -17,7 +17,7 @@ interface Pluckable
      * @param array<int, string>|string $pluck
      * @param mixed|null $default
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function pluck($pluck, $default = null): Base;
 }

src/Contract/Operation/Prependable.php

@@ -16,7 +16,7 @@ interface Prependable
      *
      * @param mixed ...$items
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function prepend(...$items): Base;
 }

src/Contract/Operation/Productable.php

@@ -16,7 +16,7 @@ interface Productable
      *
      * @param iterable<mixed> ...$iterables
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function product(iterable ...$iterables): Base;
 }

src/Contract/Operation/RSampleable.php

@@ -14,7 +14,7 @@ interface RSampleable
     /**
      * @param float $probability
      *
-     * @return \loophp\collection\Contract\Base<mixed>
+     * @return \loophp\collection\Contract\Base
      */
     public function rsample($probability): Base;
 }

src/Contract/Operation/Rangeable.php

@@ -20,7 +20,7 @@ interface Rangeable
      * @param float $end
      * @param float $step
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public static function range(float $start = 0.0, float $end = INF, float $step = 1.0): Base;
 }

src/Contract/Operation/Reductionable.php

@@ -17,7 +17,7 @@ interface Reductionable
      * @param callable $callback
      * @param mixed $initial
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function reduction(callable $callback, $initial = null): Base;
 }

src/Contract/Operation/Reverseable.php

@@ -14,7 +14,7 @@ interface Reverseable
     /**
      * Reverse order items of a collection.
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function reverse(): Base;
 }

src/Contract/Operation/Scaleable.php

@@ -20,7 +20,7 @@ interface Scaleable
      * @param float|null $wantedUpperBound
      * @param float|null $base
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function scale(
         float $lowerBound,

src/Contract/Operation/Skipable.php

@@ -16,7 +16,7 @@ interface Skipable
      *
      * @param int ...$counts
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function skip(int ...$counts): Base;
 }

src/Contract/Operation/Sliceable.php

@@ -17,7 +17,7 @@ interface Sliceable
      * @param int $offset
      * @param int|null $length
      *
-     * @return \loophp\collection\Base<mixed>|\loophp\collection\Contract\Collection<mixed>
+     * @return \loophp\collection\Base|\loophp\collection\Contract\Collection
      */
     public function slice(int $offset, ?int $length = null): Base;
 }