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<?php |
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declare(strict_types=1); |
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namespace { |
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require_once __DIR__.'/Conversion/implicit_conversion.php'; |
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require_once __DIR__.'/Type/restrictions.php'; |
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} |
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namespace Scalp { |
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use function Scalp\Conversion\AnyToString; |
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function println($x): void |
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{ |
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echo AnyToString($x)."\n"; |
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} |
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function None(): None |
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{ |
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return new None(); |
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} |
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function Some($x): Some |
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{ |
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return new Some($x); |
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} |
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function Option($x): Option |
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{ |
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return ($x === null) ? None() : Some($x); |
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} |
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} |
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namespace Scalp\Conversion { |
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const AnyToString = __NAMESPACE__.'\AnyToString'; |
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function AnyToString($any): string |
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{ |
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static $anyToString = null; |
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if ($anyToString === null) { |
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$anyToString = new AnyToString(); |
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} |
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return $anyToString($any); |
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} |
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} |
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namespace Scalp\Utils { |
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function Delayed(callable $functionOrCodeBlock, ...$args): Delayed |
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{ |
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return new Delayed($functionOrCodeBlock, ...$args); |
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} |
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function Failure(\Throwable $error): Failure |
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{ |
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return new Failure($error); |
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} |
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function Success($value): Success |
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{ |
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return new Success($value); |
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} |
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function TryCatch(callable $delayed): TryCatch |
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{ |
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try { |
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return new Success($delayed()); |
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} catch (\Throwable $e) { |
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return new Failure($e); |
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} |
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} |
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function type($x): string |
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{ |
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return is_object($x) |
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? get_class($x) |
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: gettype($x) |
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; |
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} |
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function checkType(string $actual, string $expected): bool |
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{ |
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return $actual === $expected |
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|| is_subclass_of($actual, $expected, true) |
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; |
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} |
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} |
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pawaclawczyk /
scalp
