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< > BotCompany Repo | #1015727 // singletonOpt - synonym of getSingletonOpt - return single elemtent of list if length == 1 or null otherwise

JavaX fragment (include) [tags: use-pretranspiled]

Libraryless. Click here for Pure Java version (7648L/43K).

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static <A> A singletonOpt(Collection<A> l) {

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  ret l(l) == 1 ? first(l) : null;

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}

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static <A> A singletonOpt(A[] l) {



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  ret l(l) == 1 ? first(l) : null;



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}



        
Author comment

    
Began life as a copy of #1005177

    
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    Snippet ID:
    #1015727
  

  

    Snippet name:
    singletonOpt - synonym of getSingletonOpt - return single elemtent of list if length == 1 or null otherwise
  

    

    Eternal ID of this version:
    #1015727/4
  

  

    Text MD5:
    900e5dccd8ef05d6aac3429dd0520f0d
  

    

    Transpilation MD5:
    9b605d3822dd6d11326dd1f59eac65b4
  

    

    Author:
    stefan
  

  

    Category:
    javax
  

  

    Type:
    JavaX fragment (include)
  

        

    Public (visible to everyone):
    Yes
  

  

    Archived (hidden from active list):
    No
  

  

    Created/modified:
      2022-04-02 18:05:41
  

  

    Source code size:
    160 bytes / 7 lines
  

  

    Pitched / IR pitched:
    No / No
  

    

    Views / Downloads:
    658 / 818
  

      

    Version history:
    3 change(s)
  

    

    Referenced in:
[show references]