Class AlphabetExpansion
Modifier that adds a character to an alphabet.

Defined in <seqan/modifier.h>
Signature template <typename TAlphabet, char CHAR[, typename TSpec]> class ModifiedAlphabet<TAlphabet, ModExpand<CHAR,TSpec> >;

Template Parameters

TAlphabet Original value type.
CHAR char character that specifies, what value should added to the alphabet. CHAR should not be a char that already stands for a value in TAlphabet. For example, do not use 'A' or 'a' as CHAR when expanding Dna.
TSpec Optional specialization tag. This modifier is intended to expand SimpleType classes, default is Default.

Detailed Description

Special Characters

Some values of CHAR have special meaning:

A gap character. The value in the expanded alphabet that corresponds to '-' will be returned by the function gapValue.
An end of string character.