todo.md

Methods	Variant	Implementation	Tests	Documentation	Optimizations
Aggregate		✓	✓	✓
Aggregate	seed	✓	✓	✓
Aggregate	seed, resultSelector	✓	✓	✓
All		✓	✓	✓
Any		✓	✓	✓
Any	predicate	✓	✓	✓
Average	decimal	✓	✓	✓
Average	decimal, selector	✓	✓	✓
Average	double	✓	✓	✓
Average	double, selector	✓	✓	✓
Average	float	✓	✓	✓
Average	float, selector	✓	✓	✓
Average	int	✓	✓	✓
Average	int, selector	✓	✓	✓
Average	long	✓	✓	✓
Average	long, selector	✓	✓	✓
Average	decimal?	✓	✓	✓
Average	decimal?, selector	✓	✓	✓
Average	double?	✓	✓	✓
Average	double?, selector	✓	✓	✓
Average	float?	✓	✓	✓
Average	float?, selector	✓	✓	✓
Average	int?	✓	✓	✓
Average	int?, selector	✓	✓	✓
Average	long?	✓	✓	✓
Average	long?, selector	✓	✓	✓
Contains		✓	✓	✓
Contains	comparer	✓	✓	✓
Count		✓	✓	✓
Count	predicate	✓	✓	✓
DelimitedString		✓	✓	✓
DelimitedString	stringSelector	✓	✓	✓
ElementAt		✓	✓	✓
ElementAt	index	✓	✓	✓
ElementsAt		✓	✓	✓
ElementAtOrDefault		✓	✓	✓
ElementAtOrDefault	index	✓	✓	✓
First		✓	✓	✓
First	predicate	✓	✓	✓
FirstOrDefault		✓	✓	✓
FirstOrDefault	defaultValue	✓	✓	✓
FirstOrDefault	predicate	✓	✓	✓
FirstOrDefault	predicate, defaultValue	✓	✓	✓
Get / And		✓
HasDuplicate		✓
HasDuplicate	comparer	✓
HasDuplicate	keySelector	✓
HasDuplicate	keySelector, comparer	✓
FirstOrDefault	predicate, defaultValue	✓	✓	✓
IndexOf		✓	✓	✓
IndexOf	comparer	✓	✓	✓
IndicesOf		✓	✓	✓
IndicesOf	comparer	✓	✓	✓
Last		✓	✓	✓
Last	predicate	✓	✓	✓
LastOrDefault		✓	✓	✓
LastOrDefault	defaultValue	✓	✓	✓
LastOrDefault	predicate	✓	✓	✓
LastOrDefault	predicate, defaultValue	✓	✓	✓
LongCount		✓	✓	✓
LongCount	predicate	✓	✓	✓
Max		✓	✓	✓
Max	comparer	✓	✓	✓
Max	selector	✓	✓	✓
Max	selector, comparer	✓	✓	✓
MaxBy		✓	✓	✓
MaxBy	comparer	✓	✓	✓
MaximumsBy		✓	✓	✓
MaximumsBy	comparer	✓	✓	✓
Min		✓	✓	✓
Min	comparer	✓	✓	✓
Min	selector	✓	✓	✓
Min	selector, comparer	✓	✓	✓
MinBy		✓	✓	✓
MinBy	comparer	✓	✓	✓
MinimumsBy		✓	✓	✓
MinimumsBy	comparer	✓	✓	✓
SequenceEqual		✓	✓	✓
SequenceEqual	comparer	✓	✓	✓
Single		✓	✓	✓
Single	predicate	✓	✓	✓
SingleOrDefault		✓	✓	✓
SingleOrDefault	defaultValue	✓	✓	✓
SingleOrDefault	predicate	✓	✓	✓
SingleOrDefault	predicate, defaultValue	✓	✓	✓
Slice		✓	✓	✓
Sum	decimal	✓	✓	✓
Sum	decimal, selector	✓	✓	✓
Sum	double	✓	✓	✓
Sum	double, selector	✓	✓	✓
Sum	float	✓	✓	✓
Sum	float, selector	✓	✓	✓
Sum	int	✓	✓	✓
Sum	int, selector	✓	✓	✓
Sum	long	✓	✓	✓
Sum	long, selector	✓	✓	✓
Sum	decimal?	✓	✓	✓
Sum	decimal?, selector	✓	✓	✓
Sum	double?	✓	✓	✓
Sum	double?, selector	✓	✓	✓
Sum	float?	✓	✓	✓
Sum	float?, selector	✓	✓	✓
Sum	int?	✓	✓	✓
Sum	int?, selector	✓	✓	✓
Sum	long?	✓	✓	✓
Sum	long?, selector	✓	✓	✓
ToDictionary
ToDictionary	comparer
ToDictionary	elementSelector
ToDictionary	elementSelector, comparer
ToHashSet
ToHashSet	comparer
ToLookup
ToLookup	comparer
ToLookup	elementSelector
ToLookup	elementSelector, comparer