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This commit is contained in:
eson
2019-03-23 04:04:25 +08:00
parent c9c830b248
commit cbeafe0974
6 changed files with 247 additions and 1777 deletions
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245
compare/compare.go Normal file
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@@ -0,0 +1,245 @@
package compare
import "time"
// Compare 如下
// k1 > k2 --> 1
// k1 == k2 --> 0
// k1 < k2 --> -1
type Compare func(k1, k2 interface{}) int
// String comp
func String(k1, k2 interface{}) int {
s1 := k1.(string)
s2 := k2.(string)
switch {
case len(s1) > len(s2):
for i := 0; i < len(s2); i++ {
if s1[i] != s2[i] {
if s1[i] > s2[i] {
return 1
}
return -1
}
}
return 1
case len(s1) < len(s2):
for i := 0; i < len(s1); i++ {
if s1[i] != s2[i] {
if s1[i] > s2[i] {
return 1
}
return -1
}
}
return -1
default:
for i := 0; i < len(s1); i++ {
if s1[i] != s2[i] {
if s1[i] > s2[i] {
return 1
}
return -1
}
}
return 0
}
}
func Int(k1, k2 interface{}) int {
c1 := k1.(int)
c2 := k2.(int)
switch {
case c1 > c2:
return 1
case c1 < c2:
return -1
default:
return 0
}
}
func Int8(k1, k2 interface{}) int {
c1 := k1.(int8)
c2 := k2.(int8)
switch {
case c1 > c2:
return 1
case c1 < c2:
return -1
default:
return 0
}
}
func Int16(k1, k2 interface{}) int {
c1 := k1.(int16)
c2 := k2.(int16)
switch {
case c1 > c2:
return 1
case c1 < c2:
return -1
default:
return 0
}
}
func Int32(k1, k2 interface{}) int {
c1 := k1.(int32)
c2 := k2.(int32)
switch {
case c1 > c2:
return 1
case c1 < c2:
return -1
default:
return 0
}
}
func Int64(k1, k2 interface{}) int {
c1 := k1.(int64)
c2 := k2.(int64)
switch {
case c1 > c2:
return 1
case c1 < c2:
return -1
default:
return 0
}
}
func UInt(k1, k2 interface{}) int {
c1 := k1.(uint)
c2 := k2.(uint)
switch {
case c1 > c2:
return 1
case c1 < c2:
return -1
default:
return 0
}
}
func UInt8(k1, k2 interface{}) int {
c1 := k1.(uint8)
c2 := k2.(uint8)
switch {
case c1 > c2:
return 1
case c1 < c2:
return -1
default:
return 0
}
}
func UInt16(k1, k2 interface{}) int {
c1 := k1.(uint16)
c2 := k2.(uint16)
switch {
case c1 > c2:
return 1
case c1 < c2:
return -1
default:
return 0
}
}
func UInt32(k1, k2 interface{}) int {
c1 := k1.(uint32)
c2 := k2.(uint32)
switch {
case c1 > c2:
return 1
case c1 < c2:
return -1
default:
return 0
}
}
func UInt64(k1, k2 interface{}) int {
c1 := k1.(uint64)
c2 := k2.(uint64)
switch {
case c1 > c2:
return 1
case c1 < c2:
return -1
default:
return 0
}
}
func Float32(k1, k2 interface{}) int {
c1 := k1.(float32)
c2 := k2.(float32)
switch {
case c1 > c2:
return 1
case c1 < c2:
return -1
default:
return 0
}
}
func Float64(k1, k2 interface{}) int {
c1 := k1.(float64)
c2 := k2.(float64)
switch {
case c1 > c2:
return 1
case c1 < c2:
return -1
default:
return 0
}
}
func Byte(k1, k2 interface{}) int {
c1 := k1.(byte)
c2 := k2.(byte)
switch {
case c1 > c2:
return 1
case c1 < c2:
return -1
default:
return 0
}
}
func Rune(k1, k2 interface{}) int {
c1 := k1.(rune)
c2 := k2.(rune)
switch {
case c1 > c2:
return 1
case c1 < c2:
return -1
default:
return 0
}
}
func Time(k1, k2 interface{}) int {
c1 := k1.(time.Time)
c2 := k2.(time.Time)
switch {
case c1.After(c2):
return 1
case c1.Before(c2):
return -1
default:
return 0
}
}