std::experimental::propagate_const<T>:: operator bool
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        experimental
       
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        propagate const
       
      
     
     
     
     
        
         C++
        
        
         
          
           
          
          
         
        
       
       
        
         Experimental
        
        
         
          
           
            
          
          
          
         
        
       
       | Technical Specification | ||||
| Filesystem library (filesystem TS) | ||||
| Library fundamentals (library fundamentals TS) | ||||
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| Library fundamentals 3 (library fundamentals TS v3) | ||||
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          std::experimental::propagate_const
         
        
        
         
          
           
            
          
          
          
         
        
       
       | Member functions | ||||
| Observers | ||||
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                   propagate_const::operator bool
                  
                 
                
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| Non-member functions | ||||
| Helper classes | ||||
| 
           
            
             constexpr
            
            
             explicit
            
            operator
            
             bool
            
            
             (
            
            
             )
            
            
             const
            
            
             ;
            
           
           | (library fundamentals TS v2) | |
Checks whether the wrapped pointer-like object, t_ , is null.
Parameters
(none)
Return value
true if the wrapped object is not null, otherwise false . Equivalent to ( bool ) t_ .
       
      
Example
| This section is incomplete Reason: no example | 
See also
| returns a pointer to the object pointed to by the wrapped pointer (public member function) | 
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