github.com/tawesoft/golib/v2@v2.10.0/legacy/operator/limits.go (about)

     1  package operator
     2  
     3  import (
     4      "fmt"
     5      "math"
     6  )
     7  
     8  const maxUint = ^uint(0)
     9  const minUint = 0
    10  const maxInt = int(maxUint >> 1)
    11  const minInt = -maxInt - 1
    12  
    13  const maxInt8  = math.MaxInt8
    14  const maxInt16 = math.MaxInt16
    15  const maxInt32 = math.MaxInt32
    16  const maxInt64 = math.MaxInt64
    17  
    18  const minInt8  = math.MinInt8
    19  const minInt16 = math.MinInt16
    20  const minInt32 = math.MinInt32
    21  const minInt64 = math.MinInt64
    22  
    23  const maxUint8  = math.MaxUint8
    24  const maxUint16 = math.MaxUint16
    25  const maxUint32 = math.MaxUint32
    26  const maxUint64 = math.MaxUint64
    27  
    28  const minUint8  = 0
    29  const minUint16 = 0
    30  const minUint32 = 0
    31  const minUint64 = 0
    32  
    33  const maxFloat32 = math.MaxFloat32
    34  const maxFloat64 = math.MaxFloat64
    35  
    36  const minFloat32 = -math.MaxFloat32
    37  const minFloat64 = -math.MaxFloat64
    38  
    39  // ErrorOverflow is the return type used for integer overflow in a checked function
    40  var ErrorOverflow  = fmt.Errorf("Overflow")
    41  
    42  // ErrorOverflow is the return type used for an undefined operation in a checked function such as shifting a negative
    43  // integer left or divide by zero
    44  var ErrorUndefined = fmt.Errorf("Undefined operation")
    45  
    46  // ErrorNaN is the return type used for an operation on a float that is Not a Number in a checked function
    47  var ErrorNaN       = fmt.Errorf("Not a number (NaN)")