An Enumerable.Chunk()
extension method was added to .NET 6.0.
Example:
var list = new List<int> { 1, 2, 3, 4, 5, 6, 7 };
var chunks = list.Chunk(3);
// returns { { 1, 2, 3 }, { 4, 5, 6 }, { 7 } }
For those who cannot upgrade, the source is available on GitHub.