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IsMax.go
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package validator
import "reflect"
// https://go.dev/ref/spec#Numeric_types
func IsMax(proto, value any) bool {
types := reflect.ValueOf(value).Kind().String() + ":" + reflect.ValueOf(proto).Kind().String()
switch types {
// int
case "int8:int8":
return value.(int8) <= proto.(int8)
case "int8:int16":
return int16(value.(int8)) <= proto.(int16)
case "int8:int32", "int8:rune":
return int32(value.(int8)) <= proto.(int32)
case "int8:int64":
return int64(value.(int8)) <= proto.(int64)
case "int8:int":
return int(value.(int8)) <= proto.(int)
case "int16:int8":
return value.(int16) <= int16(proto.(int8))
case "int16:int16":
return value.(int16) <= proto.(int16)
case "int16:int32", "int16:rune":
return int32(value.(int16)) <= proto.(int32)
case "int16:int64":
return int64(value.(int16)) <= proto.(int64)
case "int16:int":
return int(value.(int16)) <= proto.(int)
case "int32:int8", "rune:int8":
return value.(int32) <= int32(proto.(int8))
case "int32:int16", "rune:int16":
return value.(int32) <= int32(proto.(int16))
case "int32:int32", "int32:rune", "rune:int32", "rune:rune":
return value.(int32) <= proto.(int32)
case "int32:int64", "rune:int64":
return int64(value.(int32)) <= proto.(int64)
case "int32:int", "rune:int":
return int(value.(int32)) <= proto.(int)
case "int64:int8":
return value.(int64) <= int64(proto.(int8))
case "int64:int16":
return value.(int64) <= int64(proto.(int16))
case "int64:int32", "int64:rune":
return value.(int64) <= int64(proto.(int32))
case "int64:int64":
return value.(int64) <= proto.(int64)
case "int64:int":
return value.(int64) <= int64(proto.(int))
case "int:int8":
return value.(int) <= int(proto.(int8))
case "int:int16":
return value.(int) <= int(proto.(int16))
case "int:int32", "int:rune":
return value.(int) <= int(proto.(int32))
case "int:int64":
return int64(value.(int)) <= proto.(int64)
case "int:int":
return value.(int) <= proto.(int)
// ............................................................
// int & uint
case "int8:uint8", "int8:byte":
if value.(int8) >= 0 {
return uint8(value.(int8)) <= proto.(uint8)
}
return true
case "int8:uint16":
if value.(int8) >= 0 {
return uint16(value.(int8)) <= proto.(uint16)
}
return true
case "int8:uint32":
if value.(int8) >= 0 {
return uint32(value.(int8)) <= proto.(uint32)
}
return true
case "int8:uint64":
if value.(int8) >= 0 {
return uint64(value.(int8)) <= proto.(uint64)
}
return true
case "int8:uint":
if value.(int8) >= 0 {
return uint(value.(int8)) <= proto.(uint)
}
return true
// ...
case "int16:uint8", "int16:byte":
return value.(int16) <= int16(proto.(uint8))
case "int16:uint16":
if value.(int16) >= 0 {
return uint16(value.(int16)) <= proto.(uint16)
}
return true
case "int16:uint32":
if value.(int16) >= 0 {
return uint32(value.(int16)) <= proto.(uint32)
}
return true
case "int16:uint64":
if value.(int16) >= 0 {
return uint64(value.(int16)) <= proto.(uint64)
}
return true
case "int16:uint":
if value.(int16) >= 0 {
return uint(value.(int16)) <= proto.(uint)
}
return true
// ...
case "int32:uint8", "int32:byte", "rune:uint8", "rune:byte":
return value.(int32) <= int32(proto.(uint8))
case "int32:uint16", "rune:uint16":
return value.(int32) <= int32(proto.(uint16))
case "int32:uint32", "rune:uint32":
if value.(int32) >= 0 {
return uint32(value.(int32)) <= proto.(uint32)
}
return true
case "int32:uint64", "rune:uint64":
if value.(int32) >= 0 {
return uint64(value.(int32)) <= proto.(uint64)
}
return true
case "int32:uint", "rune:uint":
if value.(int32) >= 0 {
return uint(value.(int32)) <= proto.(uint)
}
return true
// ...
case "int64:uint8", "int64:byte":
return value.(int64) <= int64(proto.(uint8))
case "int64:uint16":
return value.(int64) <= int64(proto.(uint16))
case "int64:uint32":
return value.(int64) <= int64(proto.(uint32))
case "int64:uint64":
if value.(int64) >= 0 {
return uint64(value.(int64)) <= uint64(proto.(uint64))
}
return true
case "int64:uint":
if value.(int64) >= 0 {
return uint64(value.(int64)) <= uint64(proto.(uint))
}
return true
// ...
case "int:uint8", "int:byte":
return value.(int) <= int(proto.(uint8))
case "int:uint16":
return value.(int) <= int(proto.(uint16))
case "int:uint32":
if value.(int) >= 0 {
return uint(value.(int)) <= uint(proto.(uint32))
}
return true
case "int:uint64":
if value.(int) >= 0 {
return uint64(value.(int)) <= proto.(uint64)
}
return true
case "int:uint":
if value.(int) >= 0 {
return uint(value.(int)) <= proto.(uint)
}
return true
// ............................................................
// uint
case "uint8:uint8", "uint8:byte", "byte:uint8", "byte:byte":
return value.(uint8) <= proto.(uint8)
case "uint8:uint16", "byte:uint16":
return uint16(value.(uint8)) <= proto.(uint16)
case "uint8:uint32", "byte:uint32":
return uint32(value.(uint8)) <= proto.(uint32)
case "uint8:uint64", "byte:uint64":
return uint64(value.(uint8)) <= proto.(uint64)
case "uint8:uint", "byte:uint":
return uint(value.(uint8)) <= proto.(uint)
case "uint16:uint8", "uint16:byte":
return value.(uint16) <= uint16(proto.(uint8))
case "uint16:uint16":
return value.(uint16) <= proto.(uint16)
case "uint16:uint32":
return uint32(value.(uint16)) <= proto.(uint32)
case "uint16:uint64":
return uint64(value.(uint16)) <= proto.(uint64)
case "uint16:uint":
return uint(value.(uint16)) <= proto.(uint)
case "uint32:uint8", "uint32:byte":
return value.(uint32) <= uint32(proto.(uint8))
case "uint32:uint16":
return value.(uint32) <= uint32(proto.(uint16))
case "uint32:uint32":
return value.(uint32) <= proto.(uint32)
case "uint32:uint64":
return uint64(value.(uint32)) <= proto.(uint64)
case "uint32:uint":
return uint(value.(uint32)) <= proto.(uint)
case "uint64:uint8", "uint64:byte":
return value.(uint64) <= uint64(proto.(uint8))
case "uint64:uint16":
return value.(uint64) <= uint64(proto.(uint16))
case "uint64:uint32":
return value.(uint64) <= uint64(proto.(uint32))
case "uint64:uint64":
return value.(uint64) <= proto.(uint64)
case "uint64:uint":
return value.(uint64) <= uint64(proto.(uint))
case "uint:uint8", "uint:byte":
return value.(uint) <= uint(proto.(uint8))
case "uint:uint16":
return value.(uint) <= uint(proto.(uint16))
case "uint:uint32":
return value.(uint) <= uint(proto.(uint32))
case "uint:uint64":
return uint64(value.(uint)) <= proto.(uint64)
case "uint:uint":
return value.(uint) <= proto.(uint)
// ............................................................
// uint & int
case "uint8:int8", "byte:int8":
if proto.(int8) >= 0 {
return value.(uint8) <= uint8(proto.(int8))
}
case "uint8:int16", "byte:int16":
return int16(value.(uint8)) <= proto.(int16)
case "uint8:int32", "uint8:rune", "byte:int32", "byte:rune":
return int32(value.(uint8)) <= proto.(int32)
case "uint8:int64", "byte:int64":
return int64(value.(uint8)) <= proto.(int64)
case "uint8:int", "byte:int":
return int(value.(uint8)) <= proto.(int)
// ...
case "uint16:int8":
if proto.(int8) >= 0 {
return value.(uint16) <= uint16(proto.(int8))
}
case "uint16:int16":
if proto.(int16) >= 0 {
return value.(uint16) <= uint16(proto.(int16))
}
case "uint16:int32", "uint16:rune":
return int32(value.(uint16)) <= proto.(int32)
case "uint16:int64":
return int64(value.(uint16)) <= proto.(int64)
case "uint16:int":
return int(value.(uint16)) <= proto.(int)
// ...
case "uint32:int8":
if proto.(int8) >= 0 {
return value.(uint32) <= uint32(proto.(int8))
}
case "uint32:int16":
if proto.(int16) >= 0 {
return value.(uint32) <= uint32(proto.(int16))
}
case "uint32:int32", "uint32:rune":
if proto.(int32) >= 0 {
return value.(uint32) <= uint32(proto.(int32))
}
case "uint32:int64":
return int64(value.(uint32)) <= proto.(int64)
case "uint32:int":
return int64(value.(uint32)) <= int64(proto.(int))
// ...
case "uint64:int8":
if proto.(int8) >= 0 {
return value.(uint64) <= uint64(proto.(int8))
}
case "uint64:int16":
if proto.(int16) >= 0 {
return value.(uint64) <= uint64(proto.(int16))
}
case "uint64:int32", "uint64:rune":
if proto.(int32) >= 0 {
return value.(uint64) <= uint64(proto.(int32))
}
case "uint64:int64":
if proto.(int64) >= 0 {
return value.(uint64) <= uint64(proto.(int64))
}
case "uint64:int":
if proto.(int) >= 0 {
return value.(uint64) <= uint64(proto.(int))
}
// ...
case "uint:int8":
if proto.(int8) >= 0 {
return value.(uint) <= uint(proto.(int8))
}
case "uint:int16":
if proto.(int16) >= 0 {
return value.(uint) <= uint(proto.(int16))
}
case "uint:int32", "uint:rune":
if proto.(int32) >= 0 {
return value.(uint) <= uint(proto.(int32))
}
case "uint:int64":
if proto.(int64) >= 0 {
return uint64(value.(uint)) <= uint64(proto.(int64))
}
case "uint:int":
if proto.(int) >= 0 {
return value.(uint) <= uint(proto.(int))
}
}
return false
}