compact-genome 12.5.0

Representation of genomes
Documentation 
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//! The DNA alphabet including N, consisting of characters A, C, G, T and N.

use crate::impl_generic_alphabet;

impl_generic_alphabet!(
    "DNA alphabet including N",
    DnaAlphabetOrN,
    DnaCharacterOrN,
    b"ACGNT",
    b"TGCNA",
);

#[cfg(test)]
mod tests {
    use crate::implementation::alphabets::dna_alphabet_or_n::DnaCharacterOrN;
    use std::convert::TryFrom;

    #[test]
    fn test_dna_alphabet_conversion() {
        for ascii in 0u8..=255u8 {
            if ascii == b'A' || ascii == b'C' || ascii == b'G' || ascii == b'N' || ascii == b'T' {
                assert_eq!(
                    u8::from(DnaCharacterOrN::try_from(ascii).unwrap_or_else(|_| panic!(
                        "character {ascii} was expected to be valid, but is not"
                    ))),
                    ascii
                );
            } else {
                assert!(DnaCharacterOrN::try_from(ascii).is_err());
            }
        }
    }

    #[test]
    fn test_display() {
        for character in ['A', 'C', 'G', 'N', 'T'] {
            let dna_character = DnaCharacterOrN::try_from(character).unwrap();
            assert_eq!(format!("{character}"), format!("{dna_character}"));
        }
    }
}