Module malachite_base::num::conversion::string::from_sci_string

FromSciString, a trait for converting strings, possibly using scientific notation, to numbers.

from_sci_string

use malachite_base::num::conversion::traits::FromSciString;

assert_eq!(u8::from_sci_string("123"), Some(123));
assert_eq!(u8::from_sci_string("123.5"), Some(124));
assert_eq!(u8::from_sci_string("256"), None);
assert_eq!(u64::from_sci_string("1.23e10"), Some(12300000000));

from_sci_string_with_options

use malachite_base::num::conversion::string::options::FromSciStringOptions;
use malachite_base::num::conversion::traits::FromSciString;
use malachite_base::rounding_modes::RoundingMode::*;

let mut options = FromSciStringOptions::default();
assert_eq!(
    u8::from_sci_string_with_options("123.5", options),
    Some(124)
);

options.set_rounding_mode(Floor);
assert_eq!(
    u8::from_sci_string_with_options("123.5", options),
    Some(123)
);

options = FromSciStringOptions::default();
options.set_base(16);
assert_eq!(u8::from_sci_string_with_options("ff", options), Some(255));