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src/api_schema/schema.rs: improve ParameterError display function

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This commit is contained in:
Dietmar Maurer 2019-02-26 07:11:24 +01:00
parent f661f37427
commit 92a173feb0
1 changed files with 9 additions and 2 deletions
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11
src/api_schema/schema.rs
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@ -36,9 +36,16 @@ impl ParameterError {
impl fmt::Display for ParameterError { impl fmt::Display for ParameterError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
let msg = self.error_list.iter().fold(String::from(""), |acc, item| {
let mut msg = String::new();
if self.len() > 0 {
msg.push_str("parameter verification errors\n\n");
}
msg.push_str(&self.error_list.iter().fold(String::from(""), |acc, item| {
acc + &item.to_string() + "\n" acc + &item.to_string() + "\n"
}); }));
write!(f, "{}", msg) write!(f, "{}", msg)
} }