Class EnumerableExtensions

LINQ-inspired extension methods for .

Inheritance
System.Object
EnumerableExtensions
Namespace: X10D.Linq
Assembly: X10D.dll
Syntax
public static class EnumerableExtensions : object

Methods

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Except<TSource>(IEnumerable<TSource>, TSource)

Filters a sequence of values by omitting elements that match a specified value.

Declaration
public static IEnumerable<TSource> Except<TSource>(this IEnumerable<TSource> source, TSource item)
Parameters
Type Name Description
IEnumerable<TSource> source

An to filter.
TSource item

The value to omit.
Returns
Type Description
IEnumerable<TSource>

An that contains elements from the input sequence that do not match the specified value.
Type Parameters
Name Description
TSource

The type of the elements of source.
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MinMax<T>(IEnumerable<T>)

Returns the minimum and maximum values in a sequence of values.

Declaration
public static (T Minimum, T Maximum) MinMax<T>(this IEnumerable<T> source)
Parameters
Type Name Description
IEnumerable<T> source

A sequence of values to determine the minimum and maximum values of.
Returns
Type Description
System.ValueTuple<T, T>

A tuple containing the minimum and maximum values in source.
Type Parameters
Name Description
T

The type of the elements in source.
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MinMax<T>(IEnumerable<T>, Nullable<IComparer<T>>)

Returns the minimum and maximum values in a sequence of values, using a specified comparer.

Declaration
public static (T Minimum, T Maximum) MinMax<T>(this IEnumerable<T> source, IComparer<T>? comparer)
Parameters
Type Name Description
IEnumerable<T> source

A sequence of values to determine the minimum and maximum values of.
System.Nullable<IComparer<T>> comparer

The comparer which shall be used to compare each element in the sequence.
Returns
Type Description
System.ValueTuple<T, T>

A tuple containing the minimum and maximum values in source.
Type Parameters
Name Description
T

The type of the elements in source.
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MinMax<TSource, TResult>(IEnumerable<TSource>, Func<TSource, TResult>)

Invokes a transform function on each element of a sequence of elements and returns the minimum and maximum values.

Declaration
public static (TResult Minimum, TResult Maximum) MinMax<TSource, TResult>(this IEnumerable<TSource> source, Func<TSource, TResult> selector)
Parameters
Type Name Description
IEnumerable<TSource> source

A sequence of values to determine the minimum and maximum values of.
Func<TSource, TResult> selector

A transform function to apply to each element.
Returns
Type Description
System.ValueTuple<TResult, TResult>

A tuple containing the minimum and maximum values in source.
Type Parameters
Name Description
TSource

The type of the elements in source.
TResult

The type of the elements to compare.
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MinMax<TSource, TResult>(IEnumerable<TSource>, Func<TSource, TResult>, Nullable<IComparer<TResult>>)

Invokes a transform function on each element of a sequence of elements and returns the minimum and maximum values, using a specified comparer.

Declaration
public static (TResult Minimum, TResult Maximum) MinMax<TSource, TResult>(this IEnumerable<TSource> source, Func<TSource, TResult> selector, IComparer<TResult>? comparer)
Parameters
Type Name Description
IEnumerable<TSource> source

A sequence of values to determine the minimum and maximum values of.
Func<TSource, TResult> selector

A transform function to apply to each element.
System.Nullable<IComparer<TResult>> comparer

The comparer which shall be used to compare each element in the sequence.
Returns
Type Description
System.ValueTuple<TResult, TResult>

A tuple containing the minimum and maximum values in source.
Type Parameters
Name Description
TSource

The type of the elements in source.
TResult

The type of the elements to compare.
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MinMaxBy<TSource, TResult>(IEnumerable<TSource>, Func<TSource, TResult>)

Returns the minimum and maximum values in a sequence according to a specified key selector function.

Declaration
public static (TSource Minimum, TSource Maximum) MinMaxBy<TSource, TResult>(this IEnumerable<TSource> source, Func<TSource, TResult> keySelector)
Parameters
Type Name Description
IEnumerable<TSource> source

A sequence of values to determine the minimum and maximum values of.
Func<TSource, TResult> keySelector

A function to extract the key for each element.
Returns
Type Description
System.ValueTuple<TSource, TSource>

A tuple containing the minimum and maximum values in source.
Type Parameters
Name Description
TSource

The type of the elements in source.
TResult

The type of the elements to compare.
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MinMaxBy<TSource, TResult>(IEnumerable<TSource>, Func<TSource, TResult>, Nullable<IComparer<TResult>>)

Returns the minimum and maximum values in a sequence according to a specified key selector function.

Declaration
public static (TSource Minimum, TSource Maximum) MinMaxBy<TSource, TResult>(this IEnumerable<TSource> source, Func<TSource, TResult> keySelector, IComparer<TResult>? comparer)
Parameters
Type Name Description
IEnumerable<TSource> source

A sequence of values to determine the minimum and maximum values of.
Func<TSource, TResult> keySelector

A function to extract the key for each element.
System.Nullable<IComparer<TResult>> comparer

The comparer which shall be used to compare each element in the sequence.
Returns
Type Description
System.ValueTuple<TSource, TSource>

A tuple containing the minimum and maximum values in source.
Type Parameters
Name Description
TSource

The type of the elements in source.
TResult

The type of the elements to compare.