neo-go/_pkg.dev/vm/stack/array.go
Roman Khimov ddd1d92ff1 pkg: hide it by moving to _pkg.dev
The idea here is to preserve the history of `dev` branch development and its
code when merging with the `master`. Later this code could be moved into the
masters code where appropriate.
2019-08-20 18:39:50 +03:00

36 lines
695 B
Go

package stack
import (
"fmt"
)
// Array represents an Array of stackItems on the stack
type Array struct {
*abstractItem
val []Item
}
// Array overrides the default implementation
// by the abstractItem, returning an Array struct
func (a *Array) Array() (*Array, error) {
return a, nil
}
//Value returns the underlying Array's value
func (a *Array) Value() []Item {
return a.val
}
// NewArray returns a new Array.
func NewArray(val []Item) (*Array, error) {
return &Array{
&abstractItem{},
val,
}, nil
}
// Hash overrides the default abstract hash method.
func (a *Array) Hash() (string, error) {
data := fmt.Sprintf("%T %v", a, a.Value())
return KeyGenerator([]byte(data))
}