util

package
v0.0.0-...-8f159db Latest Latest
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Published: Dec 19, 2016 License: Apache-2.0 Imports: 4 Imported by: 0

Documentation

Index

Examples

Constants

This section is empty.

Variables

This section is empty.

Functions

func DeepClone

func DeepClone(v interface{}) interface{}
Example
package main

import (
	"fmt"
	"github.com/name5566/leaf/util"
)

func main() {
	src := []int{1, 2, 3}

	dst := util.DeepClone(src).([]int)

	for _, v := range dst {
		fmt.Println(v)
	}

}
Output:

1
2
3

func DeepCopy

func DeepCopy(dst, src interface{})
Example
package main

import (
	"fmt"
	"github.com/name5566/leaf/util"
)

func main() {
	src := []int{1, 2, 3}

	var dst []int
	util.DeepCopy(&dst, &src)

	for _, v := range dst {
		fmt.Println(v)
	}

}
Output:

1
2
3

func RandGroup

func RandGroup(p ...uint32) int
Example
package main

import (
	"fmt"
	"github.com/name5566/leaf/util"
)

func main() {
	i := util.RandGroup(0, 0, 50, 50)
	switch i {
	case 2, 3:
		fmt.Println("ok")
	}

}
Output:

ok

func RandInterval

func RandInterval(b1, b2 int32) int32
Example
package main

import (
	"fmt"
	"github.com/name5566/leaf/util"
)

func main() {
	v := util.RandInterval(-1, 1)
	switch v {
	case -1, 0, 1:
		fmt.Println("ok")
	}

}
Output:

ok

func RandIntervalN

func RandIntervalN(b1, b2 int32, n uint32) []int32
Example
package main

import (
	"fmt"
	"github.com/name5566/leaf/util"
)

func main() {
	r := util.RandIntervalN(-1, 0, 2)
	if r[0] == -1 && r[1] == 0 ||
		r[0] == 0 && r[1] == -1 {
		fmt.Println("ok")
	}

}
Output:

ok

Types

type Map

type Map struct {
	sync.RWMutex
	// contains filtered or unexported fields
}
Example
package main

import (
	"fmt"
	"github.com/name5566/leaf/util"
)

func main() {
	m := new(util.Map)

	fmt.Println(m.Get("key"))
	m.Set("key", "value")
	fmt.Println(m.Get("key"))
	m.Del("key")
	fmt.Println(m.Get("key"))

	m.Set(1, "1")
	m.Set(2, 2)
	m.Set("3", 3)

	fmt.Println(m.Len())

}
Output:

<nil>
value
<nil>
3

func (*Map) Del

func (m *Map) Del(key interface{})

func (*Map) Get

func (m *Map) Get(key interface{}) interface{}

func (*Map) Len

func (m *Map) Len() int

func (*Map) LockRange

func (m *Map) LockRange(f func(interface{}, interface{}))

func (*Map) RLockRange

func (m *Map) RLockRange(f func(interface{}, interface{}))

func (*Map) Set

func (m *Map) Set(key interface{}, value interface{})

func (*Map) TestAndSet

func (m *Map) TestAndSet(key interface{}, value interface{}) interface{}

func (*Map) UnsafeDel

func (m *Map) UnsafeDel(key interface{})

func (*Map) UnsafeGet

func (m *Map) UnsafeGet(key interface{}) interface{}

func (*Map) UnsafeLen

func (m *Map) UnsafeLen() int

func (*Map) UnsafeRange

func (m *Map) UnsafeRange(f func(interface{}, interface{}))

func (*Map) UnsafeSet

func (m *Map) UnsafeSet(key interface{}, value interface{})

type Semaphore

type Semaphore chan struct{}

func MakeSemaphore

func MakeSemaphore(n int) Semaphore

func (Semaphore) Acquire

func (s Semaphore) Acquire()

func (Semaphore) Release

func (s Semaphore) Release()

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