Get source
say &sum.file;
say Date.^find_method("day-of-week").file;Output:
SETTING::src/core/Any.pm
SETTING::src/core/Dateish.pmLast updated
say &sum.file;
say Date.^find_method("day-of-week").file;SETTING::src/core/Any.pm
SETTING::src/core/Dateish.pmLast updated