honnef.co/go/tools@v0.4.7/staticcheck/testdata/src/example.com/CheckExtremeComparison/CheckExtremeComparison.go (about)

     1  package pkg
     2  
     3  import "math"
     4  
     5  func fn1() {
     6  	var (
     7  		u8  uint8
     8  		u16 uint16
     9  		u   uint
    10  
    11  		i8  int8
    12  		i16 int16
    13  		i   int
    14  	)
    15  
    16  	_ = u8 > math.MaxUint8  //@ diag(`no value of type uint8 is greater than math.MaxUint8`)
    17  	_ = u8 >= math.MaxUint8 //@ diag(`no value of type uint8 is greater than math.MaxUint8`)
    18  	_ = u8 >= 0             //@ diag(`every value of type uint8 is >= 0`)
    19  	_ = u8 <= math.MaxUint8 //@ diag(`every value of type uint8 is <= math.MaxUint8`)
    20  	_ = u8 > 0
    21  	_ = u8 >= 1
    22  	_ = u8 < math.MaxUint8
    23  	_ = u8 < 0 //@ diag(`no value of type uint8 is less than 0`)
    24  	_ = u8 <= 0
    25  	_ = 0 > u8 //@ diag(`no value of type uint8 is less than 0`)
    26  	_ = 0 >= u8
    27  
    28  	_ = u16 > math.MaxUint8
    29  	_ = u16 > math.MaxUint16 //@ diag(`no value of type uint16 is greater than math.MaxUint16`)
    30  	_ = u16 <= math.MaxUint8
    31  	_ = u16 <= math.MaxUint16 //@ diag(`every value of type uint16 is <= math.MaxUint16`)
    32  
    33  	_ = u > math.MaxUint32
    34  
    35  	_ = i8 > math.MaxInt8 //@ diag(`no value of type int8 is greater than math.MaxInt8`)
    36  	_ = i16 > math.MaxInt8
    37  	_ = i16 > math.MaxInt16 //@ diag(`no value of type int16 is greater than math.MaxInt16`)
    38  	_ = i > math.MaxInt32
    39  	_ = i8 < 0
    40  	_ = i8 <= math.MinInt8 //@ diag(`no value of type int8 is less than math.MinInt8`)
    41  	_ = i8 < math.MinInt8  //@ diag(`no value of type int8 is less than math.MinInt8`)
    42  	_ = i8 >= math.MinInt8 //@ diag(`every value of type int8 is >= math.MinInt8`)
    43  }