diff options
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-12860.rs | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-12860.rs b/src/test/ui/issues/issue-12860.rs new file mode 100644 index 000000000..01b642cdf --- /dev/null +++ b/src/test/ui/issues/issue-12860.rs @@ -0,0 +1,49 @@ +// run-pass +use std::collections::HashSet; + +#[derive(Copy, Clone, PartialEq, Eq, Hash)] +struct XYZ { + x: isize, + y: isize, + z: isize +} + +fn main() { + let mut connected = HashSet::new(); + let mut border = HashSet::new(); + + let middle = XYZ{x: 0, y: 0, z: 0}; + border.insert(middle); + + while !border.is_empty() && connected.len() < 10000 { + let choice = *(border.iter().next().unwrap()); + border.remove(&choice); + connected.insert(choice); + + let cxp = XYZ{x: choice.x + 1, y: choice.y, z: choice.z}; + let cxm = XYZ{x: choice.x - 1, y: choice.y, z: choice.z}; + let cyp = XYZ{x: choice.x, y: choice.y + 1, z: choice.z}; + let cym = XYZ{x: choice.x, y: choice.y - 1, z: choice.z}; + let czp = XYZ{x: choice.x, y: choice.y, z: choice.z + 1}; + let czm = XYZ{x: choice.x, y: choice.y, z: choice.z - 1}; + + if !connected.contains(&cxp) { + border.insert(cxp); + } + if !connected.contains(&cxm){ + border.insert(cxm); + } + if !connected.contains(&cyp){ + border.insert(cyp); + } + if !connected.contains(&cym) { + border.insert(cym); + } + if !connected.contains(&czp){ + border.insert(czp); + } + if !connected.contains(&czm) { + border.insert(czm); + } + } +} |