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MultiKeyExtensionsLookupAnyOf3a, b, c, d Method
Creates an arbitrary lookup key that allows matching on elements of a three-level hierarchical index. Specify `None` to ignore a level or `Some k` to require match on a given level.

Namespace:  Deedle
Assembly:  Deedle (in Deedle.dll) Version: 1.2
Syntax
C#
Copy
public static ICustomLookup<d> LookupAnyOf3<a, b, c, d>(
	FSharpOption<a> k1,
	FSharpOption<b> k2,
	FSharpOption<c> k3
)

Parameters

k1
Type: Microsoft.FSharp.CoreFSharpOptiona

[Missing <param name="k1"/> documentation for "M:Deedle.MultiKeyExtensions.LookupAnyOf3``4(Microsoft.FSharp.Core.FSharpOption{``0},Microsoft.FSharp.Core.FSharpOption{``1},Microsoft.FSharp.Core.FSharpOption{``2})"]

k2
Type: Microsoft.FSharp.CoreFSharpOptionb

[Missing <param name="k2"/> documentation for "M:Deedle.MultiKeyExtensions.LookupAnyOf3``4(Microsoft.FSharp.Core.FSharpOption{``0},Microsoft.FSharp.Core.FSharpOption{``1},Microsoft.FSharp.Core.FSharpOption{``2})"]

k3
Type: Microsoft.FSharp.CoreFSharpOptionc

[Missing <param name="k3"/> documentation for "M:Deedle.MultiKeyExtensions.LookupAnyOf3``4(Microsoft.FSharp.Core.FSharpOption{``0},Microsoft.FSharp.Core.FSharpOption{``1},Microsoft.FSharp.Core.FSharpOption{``2})"]

Type Parameters

a
b
c
d

Return Value

Type: ICustomLookupd

[Missing <returns> documentation for "M:Deedle.MultiKeyExtensions.LookupAnyOf3``4(Microsoft.FSharp.Core.FSharpOption{``0},Microsoft.FSharp.Core.FSharpOption{``1},Microsoft.FSharp.Core.FSharpOption{``2})"]

See Also