Expand Minimize

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 7, Windows Vista SP2, Windows XP SP3, Windows XP x64 SP2, Windows Server 2008 R2, Windows Server 2008 SP2, Windows Server 2003 SP2

F# Runtime

Supported in: 2.0, 4.0

Silverlight

Supported in: 3

Was this page helpful?
(1500 characters remaining)
Thank you for your feedback

Community Additions

ADD
Show:
© 2014 Microsoft