Documentation for routine trim-trailing, assembled from the following types:
sub trim-trailing(Str(Cool))method trim-trailing()
Coerces the invocant (or in sub form, its argument) to Str, and returns the string with trailing whitespace stripped.
my = ' abc '.trim-trailing;say "<$stripped>"; # OUTPUT: «< abc>␤»
method trim-trailing(Str: --> Str)
Remove the whitespace characters from the end of a string. See also trim.