Implement package SideEffects6 with rule 28.3.1, predicate should not have side effects#1051

MichaelRFairhurst wants to merge 5 commits intomaingithub/codeql-coding-standards:mainfrom

michaelrfairhurst/side-effects-6-rule-28-3-1-predicate-side-effectsgithub/codeql-coding-standards:michaelrfairhurst/side-effects-6-rule-28-3-1-predicate-side-effectsCopy head branch name to clipboard