using System.Collections.Generic; using System.Linq; namespace Mapbox.Vector.Tile { public static class EnumerableExtensions { public static IEnumerable<T> GetOdds<T>( this IEnumerable<T> sequence ) { return sequence.Where( ( item, index ) => index % 2 != 0 ); } public static IEnumerable<T> GetEvens<T>( this IEnumerable<T> sequence ) { return sequence.Where( ( item, index ) => index % 2 == 0 ); } } }