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Go common compilation fails

2022-07-02 06:55:00 【kq1983】

Example

1. Different types

       
        var a int16 = 10;
        
  var b int32 = 10;
        
  if(a==b) {  //  Compile not pass 
        

        
  }
       
       
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2. Out of range

       
        var c int8;
        
  if(c==128) {   // Transboundary    Maximum 127
        

        
  }
       
       
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3. Add up 、 reduce 、 ride 、 except

       
        var a1 int32 = 10;
        
  var a2 int64 = 20;
        

        
  var a3 int64 ;
        
  a3 =  a1+a2;  //  Different types 
       
       
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invisible

       
        if a:=18; a< 20 {
        
    fmt.Printf(" a <20 \n")
        
  }else{
        
    fmt.Printf(" a >=20 \n")
        
  }
        
  // a  The scope of if-else In block   The following compilation fails 
        
  fmt.Printf(" a.value=%d \n",a)
       
       
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