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Seq.tryFind<'T> Function (F#)

Attempts to find an element that satisfies a given predicate.

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

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

// Signature:
Seq.tryFind : ('T -> bool) -> seq<'T> -> 'T option

// Usage:
Seq.tryFind predicate source

predicate

Type: 'T -> bool

A function that evaluates to a Boolean when given an item in the sequence.

source

Type: seq<'T>

The input sequence.

Exception

Condition

ArgumentNullException

Thrown when the input sequence is null.

Returns the first element for which the given function returns true. Return None if no such element exists.

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

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

F# Core Library Versions

Supported in: 2.0, 4.0, Portable

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