public void ContainsWithGivenExpressionTest()
{
var list = new List <int> {
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
};
var val0 = Colls.Contains(list, v => v > 9);
var val1 = Colls.Contains(list, v => v > 10);
var val2 = Colls.Contains(list, v => v > 11);
val0.ShouldBeTrue();
val1.ShouldBeFalse();
val2.ShouldBeFalse();
}
public static bool Contains <T>(this IEnumerable <T> source, Expression <Func <T, bool> > condition)
{
return(Colls.Contains(source, condition));
}