75 lines
3.5 KiB
Rust
75 lines
3.5 KiB
Rust
// Matching against float literals should result in a linter error
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#![feature(exclusive_range_pattern)]
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#![feature(half_open_range_patterns)]
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#![allow(unused)]
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#![forbid(illegal_floating_point_literal_pattern)]
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fn main() {
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let x = 42.0;
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match x {
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5.0 => {}, //~ ERROR floating-point types cannot be used in patterns
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//~| WARNING hard error
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//~| ERROR floating-point types cannot be used in patterns
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//~| WARNING this was previously accepted by the compiler but is being
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5.0f32 => {}, //~ ERROR floating-point types cannot be used in patterns
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//~| ERROR floating-point types cannot be used in patterns
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//~| WARNING hard error
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//~| WARNING hard error
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-5.0 => {}, //~ ERROR floating-point types cannot be used in patterns
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//~| ERROR floating-point types cannot be used in patterns
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//~| WARNING hard error
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//~| WARNING hard error
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1.0 .. 33.0 => {}, //~ ERROR floating-point types cannot be used in patterns
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//~| WARNING hard error
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//~| ERROR floating-point types cannot be used in patterns
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//~| WARNING hard error
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//~| ERROR floating-point types cannot be used in patterns
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//~| WARNING hard error
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//~| ERROR floating-point types cannot be used in patterns
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//~| WARNING hard error
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39.0 ..= 70.0 => {}, //~ ERROR floating-point types cannot be used in patterns
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//~| ERROR floating-point types cannot be used in patterns
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//~| WARNING hard error
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//~| ERROR floating-point types cannot be used in patterns
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//~| ERROR floating-point types cannot be used in patterns
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//~| WARNING hard error
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//~| WARNING hard error
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//~| WARNING hard error
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..71.0 => {}
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//~^ ERROR floating-point types cannot be used in patterns
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//~| ERROR floating-point types cannot be used in patterns
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//~| WARNING hard error
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//~| WARNING this was previously accepted by the compiler
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..=72.0 => {}
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//~^ ERROR floating-point types cannot be used in patterns
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//~| ERROR floating-point types cannot be used in patterns
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//~| WARNING hard error
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//~| WARNING this was previously accepted by the compiler
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71.0.. => {}
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//~^ ERROR floating-point types cannot be used in patterns
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//~| ERROR floating-point types cannot be used in patterns
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//~| WARNING hard error
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//~| WARNING this was previously accepted by the compiler
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_ => {},
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};
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let y = 5.0;
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// Same for tuples
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match (x, 5) {
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(3.14, 1) => {}, //~ ERROR floating-point types cannot be used
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//~| ERROR floating-point types cannot be used
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//~| WARNING hard error
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//~| WARNING hard error
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_ => {},
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}
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// Or structs
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struct Foo { x: f32 };
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match (Foo { x }) {
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Foo { x: 2.0 } => {}, //~ ERROR floating-point types cannot be used
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//~| ERROR floating-point types cannot be used
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//~| WARNING hard error
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//~| WARNING hard error
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_ => {},
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}
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}
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