Index<T>.Lookup Method

Definition

Namespace: Extreme.DataAnalysis
Assembly: Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.23

Overload List

Lookup(IEnumerable<T>)	Maps a sequence of keys to their position in the index.
Lookup(T)	Maps the specified key to its position in the index.

Index<T>.Lookup(IEnumerable<T>)

Maps a sequence of keys to their position in the index.

public virtual int[] Lookup(
	IEnumerable<T> values
)

Visual Basic

Public Overridable Function Lookup ( 
	values As IEnumerable(Of T)
) As Integer()

C++/CLI

public:
virtual array<int>^ Lookup(
	IEnumerable<T>^ values
)

abstract Lookup : 
        values : IEnumerable<'T> -> int[] 
override Lookup : 
        values : IEnumerable<'T> -> int[]

Parameters

values IEnumerable<T>: A sequence of keys to locate in the index.

Return Value

Int32[]
An array containing the mapped position of the elements of values. If the key was found in the index, then the mapped position is the zero-based position of the first occurance of the value in the index; otherwise the mapped position is -1.

Index<T>.Lookup(T)

Maps the specified key to its position in the index.

public int Lookup(
	T key
)

Visual Basic

Public Function Lookup ( 
	key As T
) As Integer

C++/CLI

public:
int Lookup(
	T key
)

member Lookup : 
        key : 'T -> int

Parameters

key T: The key to locate.

Return Value

Int32
If key was found in the index, the zero-based position of the key in the index; otherwise -1.

Index<T>.Lookup Method

Definition

Overload List

Index<T>.Lookup(IEnumerable<T>)

Parameters

Return Value

Index<T>.Lookup(T)

Parameters

Return Value

See Also

Reference