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Contents
#[derive(Debug, PartialEq)]
pub enum Error {
InvalidInputBase,
InvalidOutputBase,
InvalidDigit(u32),
}
///
/// Convert a number between two bases.
///
/// A number is any slice of digits.
/// A digit is any unsigned integer (e.g. u8, u16, u32, u64, or usize).
/// Bases are specified as unsigned integers.
///
/// Return an `Err(.)` if the conversion is impossible.
/// The tests do not test for specific values inside the `Err(.)`.
///
///
/// You are allowed to change the function signature as long as all test still pass.
///
///
/// Example:
/// Input
/// number: &[4, 2]
/// from_base: 10
/// to_base: 2
/// Result
/// Ok(vec![1, 0, 1, 0, 1, 0])
///
/// The example corresponds to converting the number 42 from decimal
/// which is equivalent to 101010 in binary.
///
///
/// Notes:
/// * The empty slice ( "[]" ) is equal to the number 0.
/// * Never output leading 0 digits. However, your function must be able to
/// process input with leading 0 digits.
///
pub fn convert(number: &[u32], from_base: u32, to_base: u32) -> Result<Vec<u32>, Error> {
unimplemented!("Convert {:?} from base {} to base {}", number, from_base, to_base)
}
Version data entries
41 entries across 41 versions & 1 rubygems