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common.go
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/
common.go
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// Package common contains common utilities that are shared among other packages.
// See each sub-package for detail.
package common
import (
"errors"
)
var (
ErrObjectReleased = errors.New("Object already released.")
ErrBadConfiguration = errors.New("Bad configuration.")
ErrObjectNotFound = errors.New("Object not found.")
ErrDuplicatedName = errors.New("Duplicated name.")
)
// Releasable interface is for those types that can release its members.
type Releasable interface {
// Release releases all references to accelerate garbage collection.
Release()
}
// Release tries to release the given object.
func Release(v interface{}) {
if releasable, ok := v.(Releasable); ok {
releasable.Release()
}
}
// Must panics if err is not nil.
func Must(err error) {
if err != nil {
panic(err)
}
}