xgo/objects/builtin_append.go
2019-01-08 23:17:42 -08:00

19 lines
413 B
Go

package objects
import (
"fmt"
)
// append(src, items...)
func builtinAppend(args ...Object) (Object, error) {
if len(args) < 2 {
return nil, fmt.Errorf("not enough arguments in call to append")
}
switch arg := args[0].(type) {
case *Array:
return &Array{Value: append(arg.Value, args[1:]...)}, nil
default:
return nil, fmt.Errorf("unsupported type for 'append' function: %s", arg.TypeName())
}
}