Raku Books / Perl 6 at a Glance / Operators

String operators

~ does the string concatenation. The dot in Perl 6 is now used for dealing with methods; thus, a new operator for the string concatenation was required. The tilde was a good candidate because it is also used in other string-related operators in Perl 6.

say "a" ~ "b"; # ab

If necessary, the operator converts its operands to the string type.

say "N" ~ 1; # N1
say 4 ~ 2;   # 42

x repeats the string the given number of times.

say "A" x 5; # AAAAA

Non-string values will be converted to strings before the operation.

say 0 x 5; # 00000

If the number of repetitions is negative or zero, an empty string is returned.

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