List.minBy<'T,'U> Function (F#)

Returns the lowest of all elements of the list, compared by using Operators.min on the function result.

Namespace/Module Path: Microsoft.FSharp.Collections.List

Assembly: FSharp.Core (in FSharp.Core.dll)

// Signature:
List.minBy : ('T -> 'U) -> 'T list -> 'T (requires comparison)

// Usage:
List.minBy projection list

Parameters

• projection
  Type: 'T -> 'U

  The function to transform list elements into the type to be compared.

• list
  Type: 'T list

  The input list.

Exceptions

Return Value

The minimum value.

Remarks

This function is named MinBy 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 shows how to use List.minBy.

[ -10.0 .. 10.0 ]
|> List.minBy (fun x -> x * x - 1.0)
|> printfn "%A"

Output

0.0

Platforms

Windows 8, Windows 7, Windows Server 2012, Windows Server 2008 R2

Version Information

F# Core Library Versions

Supported in: 2.0, 4.0, Portable

See Also

Reference

Collections.List Module (F#)

Microsoft.FSharp.Collections Namespace (F#)