Add NoDiscard attributes

psalm.xml

@@ -14,4 +14,7 @@
             <directory name="vendor" />
         </ignoreFiles>
     </projectFiles>
+    <issueHandlers>
+        <UndefinedAttributeClass errorLevel="suppress" />
+    </issueHandlers>
 </psalm>

src/Button.php

@@ -21,6 +21,7 @@ private function __construct(
     /**
      * @psalm-pure
      */
+    #[\NoDiscard]
     public static function of(Url $url, View $label): self
     {
         return new self($url, $label, false);
@@ -29,11 +30,13 @@ public static function of(Url $url, View $label): self
     /**
      * @psalm-pure
      */
+    #[\NoDiscard]
     public static function text(Url $url, string $label): self
     {
         return new self($url, Text::of($label), false);
     }
 
+    #[\NoDiscard]
     public function selected(): self
     {
         return new self(
@@ -43,6 +46,7 @@ public function selected(): self
         );
     }
 
+    #[\NoDiscard]
     public function selectedWhen(bool $selected): self
     {
         return new self(

src/Card.php

@@ -17,6 +17,7 @@ private function __construct(private View $inner)
     /**
      * @psalm-pure
      */
+    #[\NoDiscard]
     public static function of(View $inner): self
     {
         return new self(Center::of($inner));

src/Center.php

@@ -17,6 +17,7 @@ private function __construct(private View $inner)
     /**
      * @psalm-pure
      */
+    #[\NoDiscard]
     public static function of(View $inner): self
     {
         return new self($inner);

src/Grid.php

@@ -23,6 +23,7 @@ private function __construct(private Sequence $cards)
      *
      * @param Sequence<Card> $cards
      */
+    #[\NoDiscard]
     public static function of(Sequence $cards): self
     {
         return new self($cards);

src/Image.php

@@ -18,11 +18,13 @@ private function __construct(private Url $src)
     /**
      * @psalm-pure
      */
+    #[\NoDiscard]
     public static function of(Url $src): self
     {
         return new self($src);
     }
 
+    #[\NoDiscard]
     public function shape(Shape $shape): View
     {
         return $shape->wrap($this);

src/Listing.php

@@ -23,6 +23,7 @@ private function __construct(private Sequence $elements)
      *
      * @param Sequence<View> $elements
      */
+    #[\NoDiscard]
     public static function of(Sequence $elements): self
     {
         return new self($elements);

src/NavigationLink.php

@@ -21,6 +21,7 @@ private function __construct(
     /**
      * @psalm-pure
      */
+    #[\NoDiscard]
     public static function of(Url $url, View $label): self
     {
         return new self($url, $label, false);
@@ -29,11 +30,13 @@ public static function of(Url $url, View $label): self
     /**
      * @psalm-pure
      */
+    #[\NoDiscard]
     public static function text(Url $url, string $label): self
     {
         return new self($url, Text::of($label), false);
     }
 
+    #[\NoDiscard]
     public function selected(): self
     {
         return new self(
@@ -43,6 +46,7 @@ public function selected(): self
         );
     }
 
+    #[\NoDiscard]
     public function selectedWhen(bool $selected): self
     {
         return new self(

src/Picker.php

@@ -29,11 +29,13 @@ private function __construct(
      * @param A $selected
      * @param Picker\Value<A> $values
      */
+    #[\NoDiscard]
     public static function of(\UnitEnum $selected, Picker\Value ...$values): self
     {
         return new self($selected, Sequence::of(...$values), false);
     }
 
+    #[\NoDiscard]
     public function disableWhen(bool $disable): self
     {
         return new self(

src/Picker/Value.php

@@ -28,16 +28,19 @@ private function __construct(
      *
      * @return self<A>
      */
+    #[\NoDiscard]
     public static function of(\UnitEnum $tag, View $view): self
     {
         return new self($tag, $view);
     }
 
+    #[\NoDiscard]
     public function tag(): \UnitEnum
     {
         return $this->tag;
     }
 
+    #[\NoDiscard]
     public function view(): View
     {
         return $this->view;

src/Progress.php

@@ -21,6 +21,7 @@ private function __construct()
     /**
      * @psalm-pure
      */
+    #[\NoDiscard]
     public static function new(): self
     {
         return new self;

src/ScrollView.php

@@ -17,6 +17,7 @@ private function __construct(private View $inner)
     /**
      * @psalm-pure
      */
+    #[\NoDiscard]
     public static function of(View $inner): self
     {
         return new self($inner);

src/Shape.php

@@ -11,6 +11,7 @@ enum Shape
     case cornered;
     case circle;
 
+    #[\NoDiscard]
     public function wrap(View $view): View
     {
         return match ($this) {

src/Shape/Kind.php

@@ -24,6 +24,7 @@ private function __construct(
     /**
      * @psalm-pure
      */
+    #[\NoDiscard]
     public static function cornered(View $inner): self
     {
         return new self($inner, 'cornered');
@@ -32,6 +33,7 @@ public static function cornered(View $inner): self
     /**
      * @psalm-pure
      */
+    #[\NoDiscard]
     public static function circle(View $inner): self
     {
         return new self($inner, 'circle');

src/Stack.php

@@ -24,6 +24,7 @@ private function __construct(
      * @psalm-pure
      * @no-named-arguments
      */
+    #[\NoDiscard]
     public static function horizontal(View $first, View $second, View ...$rest): self
     {
         return new self(true, Sequence::of($first, $second, ...$rest));
@@ -33,6 +34,7 @@ public static function horizontal(View $first, View $second, View ...$rest): sel
      * @psalm-pure
      * @no-named-arguments
      */
+    #[\NoDiscard]
     public static function vertical(View $first, View $second, View ...$rest): self
     {
         return new self(false, Sequence::of($first, $second, ...$rest));

src/Svg.php

@@ -17,6 +17,7 @@ private function __construct(private Content $data)
     /**
      * @psalm-pure
      */
+    #[\NoDiscard]
     public static function of(Content $data): self
     {
         return new self($data);
@@ -25,6 +26,7 @@ public static function of(Content $data): self
     /**
      * @param int<1, 100> $size
      */
+    #[\NoDiscard]
     public function zoom(int $size): View
     {
         return Zoom::of($this, $size);

src/Text.php

@@ -17,6 +17,7 @@ private function __construct(private string $text)
     /**
      * @psalm-pure
      */
+    #[\NoDiscard]
     public static function of(string $text): self
     {
         return new self($text);

src/Theme.php

@@ -22,6 +22,7 @@ enum Theme
     /**
      * @return Maybe<Content>
      */
+    #[\NoDiscard]
     public function load(Filesystem $filesystem): Maybe
     {
         return $filesystem

src/Toolbar.php

@@ -20,11 +20,13 @@ private function __construct(
     /**
      * @psalm-pure
      */
+    #[\NoDiscard]
     public static function of(View $label): self
     {
         return new self($label, null, null);
     }
 
+    #[\NoDiscard]
     public function leading(View $view): self
     {
         return new self(
@@ -34,6 +36,7 @@ public function leading(View $view): self
         );
     }
 
+    #[\NoDiscard]
     public function trailing(View $view): self
     {
         return new self(

src/View.php

@@ -10,5 +10,6 @@
  */
 interface View
 {
+    #[\NoDiscard]
     public function render(): Content;
 }

src/View/Container.php

@@ -22,6 +22,7 @@ private function __construct(private View $view)
     /**
      * @psalm-pure
      */
+    #[\NoDiscard]
     public static function of(View $view): self
     {
         return new self($view);

src/Window.php

@@ -21,11 +21,13 @@ private function __construct(
     /**
      * @psalm-pure
      */
+    #[\NoDiscard]
     public static function of(string $title, ?View $body = null): self
     {
         return new self($title, $body, null);
     }
 
+    #[\NoDiscard]
     public function stylesheet(Url $url): self
     {
         return new self(

src/Zoom.php

@@ -24,6 +24,7 @@ private function __construct(
      *
      * @param int<1, 100> $size
      */
+    #[\NoDiscard]
     public static function of(View $inner, int $size): self
     {
         return new self($inner, $size);