Class LinqExtensions

Inheritance
object
LinqExtensions
Inherited Members
Namespace: LemonEdge.Utils
Assembly: LemonEdge.Utils.dll
Syntax
public static class LinqExtensions

Methods

AsArray<T>(T)

Converts a single item of T into a one element array of T.

Declaration
public static T[] AsArray<T>(this T item)
Parameters
Type Name Description
T item
Returns
Type Description
T[]
Type Parameters
Name Description
T

Flatten<T>(IEnumerable<T>, Func<T, IEnumerable<T>, IEnumerable<T>>)

This method extends the LINQ methods to flatten a collection of items that have a property of children of the same type.

Declaration
public static IEnumerable<T> Flatten<T>(this IEnumerable<T> source, Func<T, IEnumerable<T>, IEnumerable<T>> childPropertySelector)
Parameters
Type Name Description
IEnumerable<T> source

Source collection.
Func<T, IEnumerable<T>, IEnumerable<T>> childPropertySelector

Child property selector delegate of each item. IEnumerable'T' childPropertySelector (T itemBeingFlattened, IEnumerable'T' objectsBeingFlattened)
Returns
Type Description
IEnumerable<T>

Returns a one level list of elements of type T.
Type Parameters
Name Description
T

Item type.

Flatten<T>(IEnumerable<T>, Func<T, IEnumerable<T>>)

This method extends the LINQ methods to flatten a collection of items that have a property of children of the same type.

Declaration
public static IEnumerable<T> Flatten<T>(this IEnumerable<T> source, Func<T, IEnumerable<T>> childPropertySelector)
Parameters
Type Name Description
IEnumerable<T> source

Source collection.
Func<T, IEnumerable<T>> childPropertySelector

Child property selector delegate of each item. IEnumerable'T' childPropertySelector(T itemBeingFlattened)
Returns
Type Description
IEnumerable<T>

Returns a one level list of elements of type T.
Type Parameters
Name Description
T

Item type.

Max<T, Y>(IEnumerable<T>, Func<T, Y>, Y)

Declaration
public static Y Max<T, Y>(this IEnumerable<T> items, Func<T, Y> predicate, Y def) where Y : struct, IComparable<Y>
Parameters
Type Name Description
IEnumerable<T> items
Func<T, Y> predicate
Y def
Returns
Type Description
Y
Type Parameters
Name Description
T
Y

Min<T, Y>(IEnumerable<T>, Func<T, Y>, Y)

Declaration
public static Y Min<T, Y>(this IEnumerable<T> items, Func<T, Y> predicate, Y def) where Y : struct, IComparable<Y>
Parameters
Type Name Description
IEnumerable<T> items
Func<T, Y> predicate
Y def
Returns
Type Description
Y
Type Parameters
Name Description
T
Y

Sum<T>(IEnumerable<T>, Func<T, decimal>, decimal)

Declaration
public static decimal Sum<T>(this IEnumerable<T> items, Func<T, decimal> predicate, decimal def)
Parameters
Type Name Description
IEnumerable<T> items
Func<T, decimal> predicate
decimal def
Returns
Type Description
decimal
Type Parameters
Name Description
T

ToArrayOfOne<T>(T)

Turns this T item into:

new T[]{item};
Declaration
public static T[] ToArrayOfOne<T>(this T item)
Parameters
Type Name Description
T item
Returns
Type Description
T[]
Type Parameters
Name Description
T

ToListOfOne<T>(T)

Turns this T item into:

new List{T}{item};
Declaration
public static IList<T> ToListOfOne<T>(this T item)
Parameters
Type Name Description
T item
Returns
Type Description
IList<T>
Type Parameters
Name Description
T

WithIndex<T>(IEnumerable<T>)

Generates an enumeration with the corresponding index value.

Declaration
public static IEnumerable<(T item, int index)> WithIndex<T>(this IEnumerable<T> source)
Parameters
Type Name Description
IEnumerable<T> source

The source enumeration.
Returns
Type Description
IEnumerable<(T item, int index)>

An enumeration with the corresponding index value.
Type Parameters
Name Description
T

The generic type.