From @zoffixznet

m​: say eager (2.5..^7.5)
rakudo-moar e829a9​: OUTPUT«(2.5 3.5 4.5 5.5 6.5)␤»

m​: say eager (^10+5)/2
rakudo-moar e829a9​: OUTPUT«P6opaque​: get_boxed_ref could not unbox for the representation '20' of type Rat␤ in block <unit> at <tmp> line 1␤␤»

m​: say ((^10+5)/2)[$_] for ^5
rakudo-moar e829a9​: OUTPUT«2.5␤3.5␤4.5␤5.5␤6.5␤»

From @zoffixznet

On Wed, 10 Aug 2016 06​:54​:27 -0700, cpan@​zoffix.com wrote​:

m​: say eager (2.5..^7.5)
rakudo-moar e829a9​: OUTPUT«(2.5 3.5 4.5 5.5 6.5)␤»

m​: say eager (^10+5)/2
rakudo-moar e829a9​: OUTPUT«P6opaque​: get_boxed_ref could not unbox for
the representation '20' of type Rat␤ in block <unit> at <tmp> line
1␤␤»

m​: say ((^10+5)/2)[$_] for ^5
rakudo-moar e829a9​: OUTPUT«2.5␤3.5␤4.5␤5.5␤6.5␤»

Fix​: rakudo/rakudo@1d46004dd3575a02f3656b456
Test​: Raku/roast@d23534b2d7

@zoffixznet - Status changed from 'new' to 'resolved'