Method mapper

jOOQ/src/main/java/org/jooq/impl/FieldsImpl.java:111–114

(int fieldIndex)

    // -------------------------------------------------------------------------

    @Override
    public final RecordMapper<R, ?> mapper(int fieldIndex) {
        return r -> r.get(fieldIndex);
    }

    @Override
    public final <U> RecordMapper<R, U> mapper(int fieldIndex, Configuration configuration, Class<? extends U> type) {