Set.isProperSuperset<'T> Function (F#)
Evaluates to true if all elements of the second set are in the first, and at least one element of the first is not in the second.
Namespace/Module Path: Microsoft.FSharp.Collections.Set
Assembly: FSharp.Core (in FSharp.Core.dll)
// Signature:
Set.isProperSuperset : Set<'T> -> Set<'T> -> bool (requires comparison)
// Usage:
Set.isProperSuperset set1 set2
Parameters
Return Value
True if set1 is a proper superset of set2.
Remarks
This function is named IsProperSuperset in compiled assemblies. If you are accessing the function from a language other than F#, or through reflection, use this name.
Example
The following code illustrates the use of the Set.isProperSuperset function.
let set1 = Set.ofList [ 1 .. 6 ]
let set2 = Set.ofList [ 1 .. 9 ]
let set3 = Set.ofList [ 1 .. 6 ]
let set4 = Set.ofList [ 5 .. 10 ]
printfn "%A is a proper superset of %A: %b" set2 set1 (Set.isProperSuperset set2 set1)
printfn "%A is a proper superset of %A: %b" set3 set1 (Set.isProperSuperset set3 set1)
printfn "%A is a proper superset of %A: %b" set4 set1 (Set.isProperSuperset set4 set1)
Output
set [1; 2; 3; 4; 5; 6; 7; 8; 9] is a proper superset of set [1; 2; 3; 4; 5; 6]: true set [1; 2; 3; 4; 5; 6] is a proper superset of set [1; 2; 3; 4; 5; 6]: false set [5; 6; 7; 8; 9; 10] is a proper superset of set [1; 2; 3; 4; 5; 6]: false
Platforms
Windows 7, Windows Vista SP2, Windows XP SP3, Windows XP x64 SP2, Windows Server 2008 R2, Windows Server 2008 SP2, Windows Server 2003 SP2
Version Information
F# Runtime
Supported in: 2.0, 4.0
Silverlight
Supported in: 3