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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-23781.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-23781.rs b/src/test/ui/issues/issue-23781.rs new file mode 100644 index 000000000..220ebdb18 --- /dev/null +++ b/src/test/ui/issues/issue-23781.rs @@ -0,0 +1,29 @@ +// run-pass +use std::fmt; + +struct Foo; +impl fmt::Debug for Foo { + fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result { + println!("<Foo as Debug>::fmt()"); + + write!(fmt, "") + } +} + +fn test1() { + let foo_str = format!("{:?}", Foo); + + println!("{}", foo_str); +} + +fn test2() { + println!("{:?}", Foo); +} + +fn main() { + // This works fine + test1(); + + // This fails + test2(); +} |