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