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|
package dasel
import (
"fmt"
"reflect"
)
var AppendFunc = BasicFunction{
name: "append",
runFn: func(c *Context, s *Step, args []string) (Values, error) {
if err := requireNoArgs("append", args); err != nil {
return nil, err
}
input := s.inputs()
if c.CreateWhenMissing() {
input = input.initEmptySlices()
}
res := make(Values, 0)
for _, val := range input {
switch val.Kind() {
case reflect.Slice, reflect.Array:
val = val.Append()
value := val.Index(val.Len() - 1)
res = append(res, value)
default:
return nil, fmt.Errorf("cannot use append selector on non slice/array types")
}
}
return res, nil
},
alternativeSelectorFn: func(part string) *Selector {
if part == "[]" {
return &Selector{
funcName: "append",
funcArgs: []string{},
}
}
return nil
},
}
|
