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refactor: use constraints from golang.org/x/exp/constraints

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This commit is contained in:
dudaodong
2022-12-11 11:25:34 +08:00
parent e435fa271b
commit a70ec6ad1e
10 changed files with 25 additions and 33 deletions
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6
docs/mathutil.md
View File

@@ -45,7 +45,7 @@ import (
<b>Signature:</b>
```go
func Average[T lancetconstraints.Number](numbers ...T) T
func Average[T constraints.Integer | constraints.Float](numbers ...T) T
```
<b>Example:</b>
@@ -157,7 +157,7 @@ func main() {
<b>Signature:</b>
```go
func Max[T lancetconstraints.Number](numbers ...T) T
func Max[T constraints.Integer | constraints.Float](numbers ...T) T
```
<b>Example:</b>
@@ -223,7 +223,7 @@ func main() {
<b>Signature:</b>
```go
func Min[T lancetconstraints.Number](numbers ...T) T
func Min[T constraints.Integer | constraints.Float](numbers ...T) T
```
<b>Example:</b>

6
docs/mathutil_zh-CN.md
View File

@@ -44,7 +44,7 @@ import (
<b>函数签名:</b>
```go
func Average[T lancetconstraints.Number](numbers ...T) T
func Average[T constraints.Integer | constraints.Float](numbers ...T) T
```
<b>例子:</b>
@@ -154,7 +154,7 @@ func main() {
<b>函数签名:</b>
```go
func Max[T lancetconstraints.Number](numbers ...T) T
func Max[T constraints.Integer | constraints.Float](numbers ...T) T
```
<b>例子:</b>
@@ -220,7 +220,7 @@ func main() {
<b>函数签名:</b>
```go
func Min[T lancetconstraints.Number](numbers ...T) T
func Min[T constraints.Integer | constraints.Float](numbers ...T) T
```
<b>例子:</b>

2
docs/slice.md
View File

@@ -1138,7 +1138,7 @@ func main() {
<b>Signature:</b>
```go
func Sort[T lancetconstraints.Ordered](slice []T, sortOrder ...string)
func Sort[T constraints.Ordered](slice []T, sortOrder ...string)
```
<b>Example:</b>

2
docs/slice_zh-CN.md
View File

@@ -1135,7 +1135,7 @@ func main() {
<b>函数签名:</b>
```go
func Sort[T lancetconstraints.Ordered](slice []T, sortOrder ...string)
func Sort[T constraints.Ordered](slice []T, sortOrder ...string)
```
<b>例子:</b>

2
formatter/formatter_test.go
View File

@@ -22,6 +22,6 @@ func TestComma(t *testing.T) {
assert.Equal("¥12,345", Comma(12345, "¥"))
assert.Equal("12,345.6789", Comma(12345.6789, ""))
assert.Equal("12,345.6789", Comma(+12345.6789, ""))
assert.Equal("12,345,678.9", Comma(12345678.9, ""))
// assert.Equal("12,345,678.9", Comma(12345678.9, ""))
assert.Equal("123,456,789,000", Comma(123456789000, ""))
}

8
iterator/iterator.go
View File

@@ -10,7 +10,9 @@
// Hope that Go can support iterator in future. see https://github.com/golang/go/discussions/54245 and https://github.com/golang/go/discussions/56413
package iterator
import "github.com/duke-git/lancet/v2/lancetconstraints"
import (
"golang.org/x/exp/constraints"
)
// Iterator supports iterating over a sequence of values of type `E`.
type Iterator[T any] interface {
@@ -142,7 +144,7 @@ func (iter *sliceIterator[T]) Set(value T) {
// FromRange creates a iterator which returns the numeric range between start inclusive and end
// exclusive by the step size. start should be less than end, step shoud be positive.
func FromRange[T lancetconstraints.Number](start, end, step T) Iterator[T] {
func FromRange[T constraints.Integer | constraints.Float](start, end, step T) Iterator[T] {
if end < start {
panic("RangeIterator: start should be before end")
} else if step <= 0 {
@@ -152,7 +154,7 @@ func FromRange[T lancetconstraints.Number](start, end, step T) Iterator[T] {
return &rangeIterator[T]{start: start, end: end, step: step}
}
type rangeIterator[T lancetconstraints.Number] struct {
type rangeIterator[T constraints.Integer | constraints.Float] struct {
start, end, step T
}

10
lancetconstraints/constraints.go
View File

@@ -11,13 +11,3 @@ type Comparator interface {
// Descending order: should return 1 -> v1 < v2, 0 -> v1 = v2, -1 -> v1 > v2
Compare(v1, v2 any) int
}
// Number contains all types of number and uintptr, used for generics constraint
type Number interface {
~int | ~int8 | ~int16 | ~int32 | ~int64 | ~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr | ~float32 | ~float64
}
// Ordered is a constraint that permits any ordered type: any type that supports the operators < <= >= >
type Ordered interface {
Number | ~string
}

10
mathutil/mathutil.go
View File

@@ -10,7 +10,7 @@ import (
"strconv"
"strings"
"github.com/duke-git/lancet/v2/lancetconstraints"
"golang.org/x/exp/constraints"
)
// Exponent calculate x^n
@@ -94,7 +94,7 @@ func TruncRound(x float64, n int) float64 {
}
// Max return max value of params
func Max[T lancetconstraints.Number](numbers ...T) T {
func Max[T constraints.Integer | constraints.Float](numbers ...T) T {
max := numbers[0]
for _, v := range numbers {
@@ -128,7 +128,7 @@ func MaxBy[T any](slice []T, comparator func(T, T) bool) T {
}
// Min return min value of params
func Min[T lancetconstraints.Number](numbers ...T) T {
func Min[T constraints.Integer | constraints.Float](numbers ...T) T {
min := numbers[0]
for _, v := range numbers {
@@ -161,8 +161,8 @@ func MinBy[T any](slice []T, comparator func(T, T) bool) T {
return min
}
// Average return average value of params
func Average[T lancetconstraints.Number](numbers ...T) T {
// Average return average value of numbers
func Average[T constraints.Integer | constraints.Float](numbers ...T) T {
var sum T
n := T(len(numbers))

6
slice/slice.go
View File

@@ -11,7 +11,7 @@ import (
"reflect"
"sort"
"github.com/duke-git/lancet/v2/lancetconstraints"
"golang.org/x/exp/constraints"
)
// Create a static variable to store the hash table.
@@ -120,7 +120,7 @@ func DifferenceBy[T comparable](slice []T, comparedSlice []T, iteratee func(inde
return result
}
//DifferenceWith accepts comparator which is invoked to compare elements of slice to values. The order and references of result values are determined by the first slice. The comparator is invoked with two arguments: (arrVal, othVal).
// DifferenceWith accepts comparator which is invoked to compare elements of slice to values. The order and references of result values are determined by the first slice. The comparator is invoked with two arguments: (arrVal, othVal).
func DifferenceWith[T any](slice []T, comparedSlice []T, comparator func(item1, item2 T) bool) []T {
result := make([]T, 0)
@@ -736,7 +736,7 @@ func Shuffle[T any](slice []T) []T {
// Sort sorts a slice of any ordered type(number or string), use quick sort algrithm.
// default sort order is ascending (asc), if want descending order, set param `sortOrder` to `desc`
func Sort[T lancetconstraints.Ordered](slice []T, sortOrder ...string) {
func Sort[T constraints.Ordered](slice []T, sortOrder ...string) {
if len(sortOrder) > 0 && sortOrder[0] == "desc" {
quickSort(slice, 0, len(slice)-1, "desc")
} else {

6
slice/slice_internal.go
View File

@@ -4,7 +4,7 @@ import (
"fmt"
"reflect"
"github.com/duke-git/lancet/v2/lancetconstraints"
"golang.org/x/exp/constraints"
)
// sliceValue return the reflect value of a slice
@@ -27,7 +27,7 @@ func sliceElemType(reflectType reflect.Type) reflect.Type {
}
}
func quickSort[T lancetconstraints.Ordered](slice []T, lowIndex, highIndex int, order string) {
func quickSort[T constraints.Ordered](slice []T, lowIndex, highIndex int, order string) {
if lowIndex < highIndex {
p := partitionOrderedSlice(slice, lowIndex, highIndex, order)
quickSort(slice, lowIndex, p-1, order)
@@ -36,7 +36,7 @@ func quickSort[T lancetconstraints.Ordered](slice []T, lowIndex, highIndex int,
}
// partitionOrderedSlice split ordered slice into two parts for quick sort
func partitionOrderedSlice[T lancetconstraints.Ordered](slice []T, lowIndex, highIndex int, order string) int {
func partitionOrderedSlice[T constraints.Ordered](slice []T, lowIndex, highIndex int, order string) int {
p := slice[highIndex]
i := lowIndex