notohh/rustlings
notohh/rustlings
1
0
Fork 0
mirror of https://github.com/notohh/rustlings.git synced 2024-12-26 20:18:08 -05:00
Code Issues Projects Releases Packages Wiki Activity

Merge pull request #382 from bertonha/deprecated-description

Browse source
This commit is contained in:
fmoko 2020-05-02 18:38:32 +02:00 committed by GitHub
commit ebfe76cdb6
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
exercises/error_handling/errorsn.rs
View file

@ -100,15 +100,12 @@ enum CreationError {
impl fmt::Display for CreationError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str((self as &dyn error::Error).description())
let description = match *self {
CreationError::Negative => "Number is negative",
CreationError::Zero => "Number is zero",
};
f.write_str(description)
}
}
impl error::Error for CreationError {
fn description(&self) -> &str {
match *self {
CreationError::Negative => "Negative",
CreationError::Zero => "Zero",
}
}
}
impl error::Error for CreationError {}