mozilla/rust — Issue #1652: #fmt should generate compile errors for invalid format strings
Author: brson
Created: 2012-01-24 22:31:43+00:00
State: open
Labels: bug, easy, lib, unassigned

I believe its possible to specify invalid combinations of options in #fmt strings and I don't know what happens at runtime. printnf just allows undefined behavior, but we can make them compile errors.