diff options
Diffstat (limited to 'src/test/ui/rfc-1445-restrict-constants-in-patterns/issue-6804.rs')
-rw-r--r-- | src/test/ui/rfc-1445-restrict-constants-in-patterns/issue-6804.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/rfc-1445-restrict-constants-in-patterns/issue-6804.rs b/src/test/ui/rfc-1445-restrict-constants-in-patterns/issue-6804.rs new file mode 100644 index 000000000..0260caa82 --- /dev/null +++ b/src/test/ui/rfc-1445-restrict-constants-in-patterns/issue-6804.rs @@ -0,0 +1,21 @@ +// Matching against NaN should result in a warning + +#![allow(unused)] +#![deny(illegal_floating_point_literal_pattern)] + +const NAN: f64 = f64::NAN; + +fn main() { + let x = NAN; + match x { + NAN => {}, //~ ERROR floating-point types cannot be used + //~| WARN this was previously accepted by the compiler but is being phased out + _ => {}, + }; + + match [x, 1.0] { + [NAN, _] => {}, //~ ERROR floating-point types cannot be used + //~| WARN this was previously accepted by the compiler but is being phased out + _ => {}, + }; +} |