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Operators.fst<'T1,'T2> Function (F#)

  • Article

Return the first element of a tuple, fst (a,b) = a.

Namespace/Module Path: Microsoft.FSharp.Core.Operators

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

// Signature:
fst : 'T1 * 'T2 -> 'T1

// Usage:
fst tuple

Parameters

  • tuple
    Type: 'T1 * 'T2

    The input tuple.

Return Value

The first value.

Remarks

This function is named Fst in compiled assemblies. If you are accessing the function from a language other than F#, or through reflection, use this name.

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

See Also

Reference

Core.Operators Module (F#)

Microsoft.FSharp.Core Namespace (F#)