Top and tail
Raku provides both functional and method forms of substr. Note that, unlike in Perl 5, offsets from the end do not use negative numbers, but instead require a function expressing the negative offset relative to the length parameter, which is supplied by the operator. The form *-1
is just a simple way to write such a function.
We use musical sharps and flats to illustrate that Raku is comfortable with characters from any Unicode plane.
Output:
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