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Change Duration::from_secs_* underflow error

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Now explicitly says negative value.
This commit is contained in:
mbartlett21 2021-10-16 18:25:18 +10:00 committed by mbartlett21
parent 6cc0a764e0
commit fe060bf247
1 changed files with 7 additions and 9 deletions
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16
library/core/src/time.rs
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@ -756,7 +756,7 @@ impl Duration {
} else if nanos >= MAX_NANOS_F64 {
Err(FromSecsError { kind: FromSecsErrorKind::Overflow })
} else if nanos < 0.0 {
Err(FromSecsError { kind: FromSecsErrorKind::Underflow })
Err(FromSecsError { kind: FromSecsErrorKind::Negative })
} else {
let nanos = nanos as u128;
Ok(Duration {
@ -818,7 +818,7 @@ impl Duration {
} else if nanos >= MAX_NANOS_F32 {
Err(FromSecsError { kind: FromSecsErrorKind::Overflow })
} else if nanos < 0.0 {
Err(FromSecsError { kind: FromSecsErrorKind::Underflow })
Err(FromSecsError { kind: FromSecsErrorKind::Negative })
} else {
let nanos = nanos as u128;
Ok(Duration {
@ -1274,11 +1274,9 @@ pub struct FromSecsError {
impl FromSecsError {
const fn description(&self) -> &'static str {
match self.kind {
FromSecsErrorKind::NonFinite => {
"got non-finite value when converting float to duration"
}
FromSecsErrorKind::NonFinite => "non-finite value when converting float to duration",
FromSecsErrorKind::Overflow => "overflow when converting float to duration",
FromSecsErrorKind::Underflow => "underflow when converting float to duration",
FromSecsErrorKind::Negative => "negative value when converting float to duration",
}
}
}
@ -1292,10 +1290,10 @@ impl fmt::Display for FromSecsError {
#[derive(Debug, Clone, PartialEq, Eq)]
enum FromSecsErrorKind {
// Value is not a finite value (either infinity or NaN).
// Value is not a finite value (either + or - infinity or NaN).
NonFinite,
// Value is too large to store in a `Duration`.
Overflow,
// Value is less than `0.0`.
Underflow,
// Value is negative.
Negative,
}