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<?php
declare(strict_types = 1);
namespace Innmind\Compose\Definition;
use Innmind\Compose\Exception\{
NameMustContainAtLeastACharacter,
NameNotNamespaced
};
use Innmind\Immutable\Str;
final class Name
{
private $value;
public function __construct(string $value)
$value = Str::of($value);
if ($value->empty()) {
throw new NameMustContainAtLeastACharacter;
}
$this->value = $value;
public function add(self $name): self
return new self($this->value.'.'.$name);
public function root(): self
$namespace = $this->value->split('.');
if ($namespace->size() === 1) {
throw new NameNotNamespaced((string) $this->value);
return new self((string) $namespace->first());
public function withoutRoot(): self
return new self((string) $namespace->drop(1)->join('.'));
public function equals(self $other): bool
return (string) $this === (string) $other;
public function __toString(): string
return (string) $this->value;
Innmind /
Compose
