https://issues.dlang.org/show_bug.cgi?id=13718
--- Comment #1 from Dlang Bot <[email protected]> --- @ntrel created dlang/dmd pull request #15620 "Improve invalid operator error message" mentioning this issue: - Improve invalid operator error message Show operation. Use 'is not defined' for aggregate types. Part of Issue 13718 - unary minus on number literals has lower precedence than UFCS. https://github.com/dlang/dmd/pull/15620 --
