public void CustomDynamicIterator()
{
// Creating some example lambda to run our expression on.
var hl = @"foo
howdy1:XXXXX
howdy2:XXX
howdy3:XXXXX
";
var lambda = new Parser(hl).Lambda();
// Creating an expression, and evaluating it on above lambda.
Iterator.AddDynamicIterator('%', (iteratorValue) => {
var no = int.Parse(iteratorValue.Substring(1));
return((identity, input) => {
return input.Where(x => x.Get <string>()?.Length == no);
});
});
var x = new Expression("../**/%3");
var result = x.Evaluate(lambda);
Assert.Single(result);
Assert.Equal("howdy2", result.First().Name);
}
