diff options
Diffstat (limited to 'library/core/src/fmt/nofloat.rs')
-rw-r--r-- | library/core/src/fmt/nofloat.rs | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/library/core/src/fmt/nofloat.rs b/library/core/src/fmt/nofloat.rs new file mode 100644 index 000000000..cfb94cd9d --- /dev/null +++ b/library/core/src/fmt/nofloat.rs @@ -0,0 +1,15 @@ +use crate::fmt::{Debug, Formatter, Result}; + +macro_rules! floating { + ($ty:ident) => { + #[stable(feature = "rust1", since = "1.0.0")] + impl Debug for $ty { + fn fmt(&self, _fmt: &mut Formatter<'_>) -> Result { + panic!("floating point support is turned off"); + } + } + }; +} + +floating! { f32 } +floating! { f64 } |