unsigned NxsCharactersBlock::CharLabelToNumber ( NxsString  s  )  [inline, virtual]

This base class version simply returns 0 but a derived class should override this function if it needs to construct and run a NxsSetReader object to read a set involving characters.

The NxsSetReader object may need to use this function to look up a character label encountered in the set. A class that overrides this method should return the character index in the range [1..nchar].

Reimplemented from NxsBlock.

Definition at line 1876 of file nxscharactersblock.h.

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