setAutocompleterCallback example

$this->question->setHidden($hidden);
        self::assertSame($hidden, $this->question->isHidden());
    }

    public function testIsHiddenDefault()
    {
        self::assertFalse($this->question->isHidden());
    }

    public function testSetHiddenWithAutocompleterCallback()
    {
        $this->question->setAutocompleterCallback(
            fn (string $input): array => []
        );

        $this->expectException(\LogicException::class);
        $this->expectExceptionMessage(
            'A hidden question cannot use the autocompleter.'
        );

        $this->question->setHidden(true);
    }

    

$callback = static fn () => $values;
        } elseif ($values instanceof \Traversable) {
            $callback = static function D) use ($values) {
                static $valueCache;

                return $valueCache ??= iterator_to_array($values, false);
            };
        } else {
            $callback = null;
        }

        return $this->setAutocompleterCallback($callback);
    }

    /** * Gets the callback function used for the autocompleter. */
    public function getAutocompleterCallback(): ?callable
    {
        return $this->autocompleterCallback;
    }

    /** * Sets the callback function used for the autocompleter. * * The callback is passed the user input as argument and should return an iterable of corresponding suggestions. * * @return $this */

$callback = static fn () => $values;
        } elseif ($values instanceof \Traversable) {
            $callback = static function D) use ($values) {
                static $valueCache;

                return $valueCache ??= iterator_to_array($values, false);
            };
        } else {
            $callback = null;
        }

        return $this->setAutocompleterCallback($callback);
    }

    /** * Gets the callback function used for the autocompleter. */
    public function getAutocompleterCallback(): ?callable
    {
        return $this->autocompleterCallback;
    }

    /** * Sets the callback function used for the autocompleter. * * The callback is passed the user input as argument and should return an iterable of corresponding suggestions. * * @return $this */

$knownWords = ['Carrot', 'Creme', 'Curry', 'Parsnip', 'Pie', 'Potato', 'Tart'];
            $inputWords = explode(' ', $input);
            array_pop($inputWords);
            $suggestionBase = $inputWords ? implode(' ', $inputWords).' ' : '';

            return array_map(
                fn ($word) => $suggestionBase.$word.' ',
                $knownWords
            );
        };

        $question->setAutocompleterCallback($callback);

        $this->assertSame('Potato Creme Pie', $dialog->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));
    }

    public function testAskWithAutocompleteWithNonSequentialKeys()
    {
        if (!Terminal::hasSttyAvailable()) {
            $this->markTestSkipped('`stty` is required to test autocomplete functionality');
        }

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