scientific/types/
conversion_error.rs

1use core::fmt::{Display, Formatter};
2
3/// Errors which can occur during conversion.
4#[derive(Copy, Clone, Debug, Eq, PartialEq)]
5pub enum ConversionError {
6  /// The float is not finite. (Only for `From<float>` conversion.)
7  FloatIsNotFinite,
8  /// Number is too large. (Only for `Into<integer>` conversion.)
9  NumberTooLarge,
10  /// Parse error. (Just not a valid number.)
11  ParseError,
12  /// Number is negative. (Only for `Into<positive integer>` conversion.)
13  NumberIsNegative,
14  /// Number is not an integer. (Only for `Into<integer>` conversion.)
15  NumberIsNotAnInteger,
16  /// Exponent is too large for this platform. (Only used by [`Scientific::from_bytes`](crate::Scientific::from_bytes).)
17  ExponentTooLargeForThisPlatform,
18}
19
20impl Display for ConversionError {
21  fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), core::fmt::Error> {
22    match self {
23      ConversionError::FloatIsNotFinite => f.write_str("Float is not finite"),
24      ConversionError::NumberTooLarge => f.write_str("Number too large"),
25      ConversionError::ParseError => f.write_str("Parse error"),
26      ConversionError::NumberIsNegative => f.write_str("Number is negative"),
27      ConversionError::NumberIsNotAnInteger => f.write_str("Number is not an integer"),
28      ConversionError::ExponentTooLargeForThisPlatform => {
29        f.write_str("Exponent is too large for this platform")
30      }
31    }
32  }
33}
34
35#[cfg(feature = "std")]
36#[cfg_attr(docsrs, doc(cfg(feature = "std")))]
37impl std::error::Error for ConversionError {}
scientific/types/conversion_error.rs

scientific/types/
conversion_error.rs
