diff options
Diffstat (limited to 'src/test/ui/fmt/issue-89173.rs')
-rw-r--r-- | src/test/ui/fmt/issue-89173.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/ui/fmt/issue-89173.rs b/src/test/ui/fmt/issue-89173.rs new file mode 100644 index 000000000..96277d4d0 --- /dev/null +++ b/src/test/ui/fmt/issue-89173.rs @@ -0,0 +1,14 @@ +// Regression test for #89173: Make sure a helpful note is issued for +// printf-style format strings using `*` to specify the width. + +fn main() { + let num = 0x0abcde; + let width = 6; + print!("%0*x", width, num); + //~^ ERROR: multiple unused formatting arguments + //~| NOTE: multiple missing formatting specifiers + //~| NOTE: argument never used + //~| NOTE: argument never used + //~| NOTE: format specifiers use curly braces, and you have to use a positional or named parameter for the width + //~| NOTE: printf formatting not supported +} |