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add []byte []rune compare

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This commit is contained in:
huangsimin 2020-03-04 11:24:36 +08:00
parent c7dfcd19e0
commit edd2e84792
1 changed files with 78 additions and 0 deletions
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78
compare/compare.go
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@ -8,6 +8,84 @@ import "time"
// k1 < k2 --> -1 // k1 < k2 --> -1
type Compare func(k1, k2 interface{}) int type Compare func(k1, k2 interface{}) int
// RuneArray []rune compare
func RuneArray(k1, k2 interface{}) int {
s1 := k1.([]rune)
s2 := k2.([]rune)
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
}
}
// ByteArray []byte compare
func ByteArray(k1, k2 interface{}) int {
s1 := k1.([]byte)
s2 := k2.([]byte)
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
}
}
// String comp // String comp
func String(k1, k2 interface{}) int { func String(k1, k2 interface{}) int {
s1 := k1.(string) s1 := k1.(string)