@Override
    public Character apply(ENTITY entity) {
        final V value = field.get(entity);
        if (value == null) return null;
        else return mapper.applyAsChar(value);
    }
Default implementation of {@link FieldToChar}.

@author Emil Forslund
@since  3.1.0
runtime-parent/runtime-field/src/main/java/com/speedment/runtime/field/internal/expression/FieldToCharImpl.java