[−][src]Function lexical::try_parse_lossy_radix
pub fn try_parse_lossy_radix<N: FromBytesLossy, Bytes: AsRef<[u8]>>(
bytes: Bytes,
radix: u8
) -> Result<N, Error>
High-level lossy conversion of bytes to a float with a custom radix.
This function uses aggressive optimizations to avoid worst-case
scenarios, and can return inaccurate results. For guaranteed accurate
floats, use try_parse_radix
.
bytes
- Byte slice to convert to number.radix
- Number of unique digits for the number (base).
Examples
// Create our error wrapper. let err = |u| ErrorKind::InvalidDigit(u).into(); // String overloads assert_eq!(lexical::try_parse_lossy_radix::<f32, _>("0", 10), Ok(0.0)); assert_eq!(lexical::try_parse_lossy_radix::<f32, _>("1.0", 10), Ok(1.0)); assert_eq!(lexical::try_parse_lossy_radix::<f32, _>("1.", 10), Err(err(1))); assert_eq!(lexical::try_parse_lossy_radix::<f32, _>("1.0.", 10), Err(err(3))); // Bytes overloads assert_eq!(lexical::try_parse_lossy_radix::<f32, _>(b"0", 10), Ok(0.0)); assert_eq!(lexical::try_parse_lossy_radix::<f32, _>(b"1.0", 10), Ok(1.0)); assert_eq!(lexical::try_parse_lossy_radix::<f32, _>(b"1.", 10), Err(err(1))); assert_eq!(lexical::try_parse_lossy_radix::<f32, _>(b"1.0.", 10), Err(err(3)));