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Merging::merge()   A
last analyzed

↳ Parent: Merging

Complexity

Conditions 1
Paths 1

Size

Total Lines 3

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
nc 1
nop 1
dl 0
loc 3
rs 10
c 0
b 0
f 0
1 
<?php
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declare(strict_types=1);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace Stratadox\ImmutableCollection;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use function array_merge;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Stratadox\Collection\Collection;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Stratadox\Collection\Mergeable;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * Behaviour to allow "merging" the immutable collection.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * Provides access to merging behaviour in the form of a method that

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * returns a modified copy of the original (immutable) collection.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @package Stratadox\Collection

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @author  Stratadox

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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trait Merging

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @see Mergeable::merge()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param Collection $other

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @return static

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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     */

            


            
                                                                        
                            
            
                                    
            
            

                
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    public function merge(Collection $other)

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        return $this->newCopy(array_merge($this->items(), $other->items()));

            


                            

                    
                        
                    
                    
                    
                    
                                                                                                    
                        

                            
                            
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The expression return $this->newCopy(ar...ms(), $other->items())) returns the type Stratadox\Collection\Collection which is incompatible with the documented return type Stratadox\ImmutableCollection\Merging.
                                                                                                                                                                                                        

                    
                                                    

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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /** @see Collection::items() */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    abstract public function items(): array;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @see ImmutableCollection::newCopy()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @param array $items

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @return Collection|static

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    abstract protected function newCopy(array $items): Collection;

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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