1package io.protobase.f7.formulas.info;
 2
 3import io.protobase.f7.formulas.AbstractFormula;
 4import io.protobase.f7.formulas.FormulaName;
 5import io.protobase.f7.models.GridColumnRowKey;
 6import io.protobase.f7.utils.Converters;
 7
 8import java.util.function.BiFunction;
 9import java.util.function.Function;
10
11public class N extends AbstractFormula {
12  public static FormulaName NAME = FormulaName.N;
13
14  public N(Function<Object, Object> lookup, BiFunction<GridColumnRowKey, Object, Object> collateralLookup) {
15    super(lookup, collateralLookup);
16  }
17
18  @Override
19  public Object internal(GridColumnRowKey origin, Object... args) {
20    checkLength(args.length, 1, NAME);
21    return Converters.first(args[0]);
22  }
23}