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generic_vector.go
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generic_vector.go
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package data
import (
"github.com/cheekybits/genny/generic"
)
type gen generic.Type
type genVector []gen
func newgenVector(n int) *genVector {
v := genVector(make([]gen, n))
return &v
}
func newgenVectorWithValues(s []gen) *genVector {
v := make([]gen, len(s))
copy(v, s)
return (*genVector)(&v)
}
func (v *genVector) Set(idx int, i interface{}) {
(*v)[idx] = i.(gen)
}
func (v *genVector) SetConcrete(idx int, i interface{}) {
v.Set(idx, i)
}
func (v *genVector) Append(i interface{}) {
*v = append(*v, i.(gen))
}
func (v *genVector) At(i int) interface{} {
return (*v)[i]
}
func (v *genVector) PointerAt(i int) interface{} {
return &(*v)[i]
}
func (v *genVector) Len() int {
return len(*v)
}
func (v *genVector) CopyAt(i int) interface{} {
var g gen
g = (*v)[i]
return g
}
func (v *genVector) ConcreteAt(i int) (interface{}, bool) {
return v.At(i), true
}
func (v *genVector) Type() FieldType {
return vectorFieldType(v)
}
func (v *genVector) Extend(i int) {
*v = append(*v, make([]gen, i)...)
}
func (v *genVector) Insert(i int, val interface{}) {
switch {
case i < v.Len():
v.Extend(1)
copy((*v)[i+1:], (*v)[i:])
v.Set(i, val)
case i == v.Len():
v.Append(val)
case i > v.Len():
panic("Invalid index; vector length should be greater or equal to that index")
}
}
func (v *genVector) Delete(i int) {
*v = append((*v)[:i], (*v)[i+1:]...)
}