Documentation for routine
tclc assembled from the following types:
sub tclc(Str(Cool)) method tclc()
Coerces the invocant (or in sub form, its argument) to Str, and returns it with the first letter case-folded to title case (or where not available, upper case), and the rest of the string case-folded to lower case.
say 'abC'.tclc; # OUTPUT: «Abc␤»
multi sub tclc(Str:D --> Str:D) multi method tclc(Str:D: --> Str:D)
Turns the first character to title case, and all other characters to lower case