1use strict;
2use warnings;
3
4package InterpolationTest;
5use self;
6
7
8sub new {
9    return bless {}, self;
10}
11
12sub hello {
13    "hello";
14}
15
16sub test_1 {
17    return "${\( self->hello )}";
18};
19
20sub test_2 {
21    return "@{[ self->hello ]}";
22};
23
241;
25