Foundations of F# Net phần 3 pps

... results are as follows: 1 2 3 The previous example also demonstrates another nice feature of F# when interoperating with non -F# libraries. .NET APIs often use a .NET construct called delegates, ... follows: [1I; 1I; 2I; 3I; 5I; 8I; 13I; 21I; 34 I; 55I; 89I; 144I; 233 I; 37 7I; 610I; 987I; 1597I; 2584I; 4181I; 6765I] These examples are too simple to really demonstrate the power o...

Ngày tải lên: 05/08/2014, 10:21

... of what went wrong, you can use failwith to raise a generic exception that contains the text passed to the function. let primes = [ 2; 3; 5; 7; 11; 13; 17; 19; 23; 29; 31 ; 37 ; 41; 43; 47; 53; ... find details of how to pattern match over types from non -F# libraries in Chapter 3. Defining Types The type system in F# provides a number of features for defining custom types. All...

Ngày tải lên: 05/08/2014, 10:21

... pi Printf.printf "%2.8f\r\n" pi The results of this code are as follows: 3. 1415 93 3.1 3. 14 3. 14159265 The Printf module also contains a number of other functions that allow a string to be formatted ... most useful. The Microsoft.FSharp.Math Namespace The Microsoft.FSharp.Math namespace is designed to enable F# to ensure that the F# libraries include definitions of...

Ngày tải lên: 05/08/2014, 10:21

... DATA ACCESS 2 13 7575Ch09.qxp 4/27/07 1:05 PM Page 2 13 Normalize - 2 Replace - 2 IndexOfAny - 3 EndsWith - 3 Equals - 3 StartsWith - 3 LastIndexOfAny - 3 Split - 6 LastIndexOf - 9 IndexOf - 9 Using ... 20:21:21 dpst.bat 17 01/10/20 03 02:08:10 imagefaq.bat 21 01/10/20 03 02:08:10 IO.SYS 0 12/05/20 03 20:21:22 MSDOS.SYS 0 12/05/20 03 20:21:22 NTDETECT.COM 47564 23/ 08/2001 14:...

Ngày tải lên: 05/08/2014, 10:21

... MALLOY (0. 937 5 INCH BULK 38 4 pages 60# Thor) The eXPeRT’s VOIce ® In .neT Robert Pickering Foreword by Don Syme Foundations of F# BOOks fOR PROfessIOnals By PROfessIOnals ® Foundations of F# Dear ... URL .NET Framework 3. 0 Chapter 8, http://www.microsoft.com/downloads/details. Chapter 10 aspx?FamilyId=10CC340B-F857-4A14-83F5- 25 634 C3BF0 43& amp;displaylang=en SDK for ....

Ngày tải lên: 05/08/2014, 10:21

... create a new instance of this delegate and apply it to a list of integers. As you’ve already seen in Chapter 3, there are much shorter ways of implementing this func- tionality in F#. #light type MyDelegate ... prop.MyProp print prop.MyProp print prop.MyProp The results of the previous example, when compiled and executed, are as follows: 2 137 491492 726598452 33 4746691 It is als...

Ngày tải lên: 05/08/2014, 10:21

... [-21474 836 48; -21474 836 47; -21474 836 46; -21474 836 45; -21474 836 44; -21474 836 43; -21474 836 42; -21474 836 41; -21474 836 40; -21474 836 39] The unfold Function You already met unfold in Chapter 3; it is ... contains a list of System.Type v alues that r epr esent the members of a CHAPTER 7 ■ THE F# LIBRARIES 137 7575Ch07.qxp 4/27/07 1: 03 PM Page 137 tuple, so by print...

Ngày tải lên: 05/08/2014, 10:21

... the NetFx3 WPF site ( http://wpf.netfx3.com) and of course the WPF section of MSDN ( http://msdn2.microsoft.com/en-us/netframework/aa6 633 26.aspx). Summary This chapter provided an overview of ... /> </DiffuseMaterial.Brush> </DiffuseMaterial> </GeometryModel3D.Material> </GeometryModel3D> </Model3DGroup.Children> </Model3DGroup> </ModelVisual3...

Ngày tải lên: 05/08/2014, 10:21

... tree: type Expr = | Ident of string | Val of System.Double | Multi of Expr * Expr | Div of Expr * Expr | Plus of Expr * Expr | Minus of Expr * Expr The tree consists of just one type because it ... ignore The results of this example, when executed (on the day of this writing), are as follows: 0. <b> ;F#& lt;/b> http://research.microsoft.com/fsharp/fsharp.aspx A .NET...

Ngày tải lên: 05/08/2014, 10:21

... MessageBeep(uint32 beepType) MessageBeep(0ul) |> ignore CHAPTER 13 ■ COMPATIBILITY AND ADVANCED INTEROPERATION 33 6 7575Ch 13. qxp 4/27/07 1:08 PM Page 33 6 The F# Tool Suite and .NET Programming ... a plug-in to view code in F# is in the early stages of development. CHAPTER 12 ■ THE F# TOOL SUITE AND .NET PROGRAMMING TOOLS 31 3 7575Ch12.qxp 4/27/07 1:07 PM Page 31 3 The CLR...

Ngày tải lên: 05/08/2014, 10:21