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Auto merge of #179 - briankung:fix_irrefutable_let_pattern_structs1, r=komaeda

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Fixes the irrefutable let pattern warning in `structs1.rs`

PR https://github.com/rust-lang/rustlings/pull/163 accidentally introduced an error using some versions of the Rust compiler where the compiler would (rightly!) complain about an irrefutable let pattern. I have no idea why this did not occur in all versions of the compiler, but here is a way around it.
This commit is contained in:
bors 2019-06-20 15:02:20 +00:00
commit 752bc27e2b
1 changed files with 5 additions and 7 deletions
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12
exercises/structs/structs1.rs
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@ -7,7 +7,8 @@ struct ColorClassicStruct {
struct ColorTupleStruct(/* TODO: Something goes here */);
struct ColorUnitStruct;
#[derive(Debug)]
struct UnitStruct;
#[cfg(test)]
mod tests {
@ -35,12 +36,9 @@ mod tests {
#[test]
fn unit_structs() {
// TODO: Instantiate a unit struct!
// let green =
// let unit_struct =
let message = format!("{:?}s are fun!", unit_struct);
if let ColorUnitStruct = green {
assert!(true);
} else {
assert!(false);
}
assert_eq!(message, "UnitStructs are fun!");
}
}