public IEnumerable <string> Format(IEnumerable <T> input)
{
Func <object, string> toStringOrEmpty = _ => _?.ToString() ?? string.Empty;
var cached = input.ToList();
int[] widths = cached.Aggregate(
Names.Select(_ => _.Length).ToArray(), // seed
(accu, current) => Enumerable.Zip(
accu,
Getters.Select(_ => toStringOrEmpty(_(current)).Length),
max).ToArray());
string template = string.Join("", Enumerable.Range(0, widths.Length).Select(i => string.Format("{{{0},{2}{1}}}", i, (int)(widths[i] * 1.2), Alignments[i])));
yield return(string.Format(template, Names));
foreach (var obj in cached)
{
yield return(string.Format(template, Getters.Select(getCol => getCol(obj)).ToArray()));
}
}
public static object Eval(this object target, string name)
{
return(Getters.Select(getter => getter(target, name)).Where(value => value != NextGetter).First());
}