Implement NEON dependencies as DIC extension

Author: janbarasek

common.neon

@@ -1,3 +1,2 @@
-services:
-	integralSolver: Mathematicator\Integral\IntegralSolver
-	- Mathematicator\Integral\Solver\Solver
+extensions:
+	mathematicator.integralSolver: Mathematicator\Integral\IntegralSolverExtension

src/IntegralSolverExtension.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Mathematicator\Integral;
+
+
+use Mathematicator\Integral\Solver\Solver;
+use Nette\DI\CompilerExtension;
+
+final class IntegralSolverExtension extends CompilerExtension
+{
+	public function beforeCompile(): void
+	{
+		$builder = $this->getContainerBuilder();
+
+		$builder->addDefinition($this->prefix('integralSolver'))
+			->setFactory(IntegralSolver::class);
+
+		$builder->addDefinition($this->prefix('solver'))
+			->setFactory(Solver::class);
+	}
+}

src/Solver/Solver.php

@@ -32,8 +32,6 @@ public function solvePart(array $tokens): string
 
 
 	/**
-	 * @param IToken $token
-	 * @return string
 	 * @throws CanNotSolveException
 	 */
 	private function solvePrimitiveIntegral(IToken $token): string
@@ -45,7 +43,6 @@ private function solvePrimitiveIntegral(IToken $token): string
 
 			return '';
 		}
-
 		if ($token instanceof VariableToken) {
 			if (($times = (string) $token->getTimes()) === '1') {
 				return '(x^2)/2';