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RSample::__invoke()   A
last analyzed

↳ Parent: RSample

Complexity

Conditions 1
Paths 1

Size

Total Lines 13
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 7
CRAP Score 1

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 1
eloc 5
c 1
b 0
f 0
nc 1
nop 0
dl 0
loc 13
ccs 7
cts 7
cp 1
crap 1
rs 10
1 
<?php
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declare(strict_types=1);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace loophp\collection\Operation;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Closure;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Generator;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @immutable

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @template TKey

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 * @template T

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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final class RSample extends AbstractOperation

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @return Closure(float): Closure(iterable<TKey, T>): Generator<TKey, T>

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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     */

            


            
                                                                        
                            
            
                                    
            
            

                
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    public function __invoke(): Closure

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        return

            


            
                                                                        
                            
            
                                    
            
            

                
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            /**

            


            
                                                                        
                            
            
                                    
            
            

                
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             * @return Closure(iterable<TKey, T>): Generator<TKey, T>

            


            
                                                                        
                            
            
                                    
            
            

                
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             */

            


            
                                                                        
                            
            
                                    
            
            

                
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            static function (float $probability): Closure {

            


            
                                                                        
                            
            
                                    
            
            

                
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                $filter = (new Filter())()(

            


            
                                                                        
                            
            
                                    
            
            

                
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                    static fn (): bool => (random_int(0, mt_getrandmax()) / mt_getrandmax()) < $probability

            


            
                                                                        
                            
            
                                    
            
            

                
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                );

            


            
                                                                        
                            
            
                                    
            
            

                
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                // Point free style.

            


            
                                                                        
                            
            
                                    
            
            

                
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                return $filter;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            };

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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