implicit conversion - Dedicated Scala String interpolation -

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दिए गए नक्शा स्थिरांक के लिए 

  val ctt = मैप ("ए" -> 1) "<">        
  c "a"   
 उद्धार करता है  सूची (1) ?  
  नोट   
  सी "a, b" res: सूची (1, 2) सी "ए, बी" रिज़ः सूची (1,2) सी "ए, डब्ल्यू" रिज़ः सूची (1) सी "डब्ल्यू" रिज़ः सूची ()    < P> 
 
 निम्न कार्य करता है:  
  scala & gt; वैल सीटीटी = नक्शा ("ए" - & gt; 1, 'बी' - & gt; 2) सीटीटी: स्कला। कोलिन्शन.इमट्यूबल। मैप [स्ट्रिंग, इंट] = नक्शा (ए -> 1, बी - & gt; 2) स्केला & gt; अंतर्निहित वर्ग CttHelper (val sc: StringContext) AnyVal तक फैलता है {| Def c (आर्ग्स: कोई *): Int = ctt (sc.parts.head) | } परिभाषित वर्ग CttHelper scala & gt; सी "ए" res0: Int = 1   
 या अपने अद्यतन संस्करण के लिए:  
  अंतर्निहित वर्ग CttHelper (val sc: StringContext) AnyVal {def c (आर्ग्स: कोई *): सूची [इंट] = sc.parts.head.split (',')। नक्शा (_। ट्रिम) .toList.flatMap (ctt.get)}   < P> और फिर:  
  स्कला & gt; C "a, w" res5: सूची [int] = सूची (1) स्केल & gt; सी "ए, बी" रिज 6: सूची [इंट] = सूची (1, 2) स्केल & gt; सी "ए, बी" रिज 7: सूची [इंट] = सूची (1, 2) स्केल & gt; C "a, w" res8: सूची [इंट] = सूची (1) स्केल & gt; C "w" res9: सूची [इंट] = सूची ()   
 आप शायद यह जांचना चाहते हैं कि  sc.parts  में एक तत्व है, हालांकि, जब तक कि आप वास्तव में इंटरपोलेटेड चर के साथ कुछ करना चाहते हैं।

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