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Class Predef 

Provides static methods to create instances of <xref href="NiceTry.Try`1" data-throw-if-not-resolved="false"></xref>. Meant for
using as static import (C# 6 feature).
Inheritance
System.Object
Predef
Namespace:NiceTry
Assembly:NiceTry.dll
Syntax
public class Predef

Methods

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Fail<T>(Exception)

Returns an new <xref href="NiceTry.Failure`1" data-throw-if-not-resolved="false"></xref> wrapping the specified <em>err</em>.
Declaration
[NotNull]
public static Try<T> Fail<T>([NotNull] Exception err)
Parameters
Type Name Description
System.Exception err
Returns
Type Description
Try<T>
Type Parameters
Name Description
T
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Ok<T>(T)

Returns a new <xref href="NiceTry.Success`1" data-throw-if-not-resolved="false"></xref> wrapping the specified <em>value</em>.
Declaration
[NotNull]
public static Try<T> Ok<T>([CanBeNull] T value)
Parameters
Type Name Description
T value
Returns
Type Description
Try<T>
Type Parameters
Name Description
T
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Try(Action)

Calls the specified <em>work</em> action and returns a <xref href="NiceTry.Try`1" data-throw-if-not-resolved="false"></xref> that represents the success or failure of that operation.
Declaration
[NotNull]
public static Try<Unit> Try([NotNull] Action work)
Parameters
Type Name Description
System.Action work
Returns
Type Description
Try<TheVoid.Unit>
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Try<T>(Func<T>)

Calls the specified <em>work</em> function and returns a <xref href="NiceTry.Try`1" data-throw-if-not-resolved="false"></xref> that represents the success or failure of that operation.
Declaration
[NotNull]
public static Try<T> Try<T>([NotNull] Func<T> work)
Parameters
Type Name Description
System.Func<T> work
Returns
Type Description
Try<T>
Type Parameters
Name Description
T
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Try<T>(Func<Try<T>>)

Calls the specified <em>work</em> function and returns the produced <xref href="NiceTry.Try`1" data-throw-if-not-resolved="false"></xref> that represents the success or failure of that operation.
Declaration
[NotNull]
public static Try<T> Try<T>([NotNull] Func<Try<T>> work)
Parameters
Type Name Description
System.Func<Try<T>> work
Returns
Type Description
Try<T>
Type Parameters
Name Description
T
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Using<Disposable>(Func<Disposable>, Action<Disposable>)

Creates, uses and properly disposes a <xref href="System.IDisposable" data-throw-if-not-resolved="false"></xref> specified by the
<em>createDisposable</em> and <em>useDisposable</em> functions
and returns a <xref href="NiceTry.Try`1" data-throw-if-not-resolved="false"></xref> that represents the success or failure of that operation.
Declaration
[NotNull]
public static Try<Unit> Using<Disposable>([NotNull] Func<Disposable> createDisposable, [NotNull] Action<Disposable> useDisposable)where Disposable : IDisposable
Parameters
Type Name Description
System.Func<Disposable> createDisposable
System.Action<Disposable> useDisposable
Returns
Type Description
Try<TheVoid.Unit>
Type Parameters
Name Description
Disposable
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Using<Disposable, T>(Func<Disposable>, Func<Disposable, T>)

Creates, uses and properly disposes a <xref href="System.IDisposable" data-throw-if-not-resolved="false"></xref> specified by the
<em>createDisposable</em> and <em>useDisposable</em> functions
and returns a <xref href="NiceTry.Try`1" data-throw-if-not-resolved="false"></xref> that represents the success or failure of that operation.
Declaration
[NotNull]
public static Try<T> Using<Disposable, T>([NotNull] Func<Disposable> createDisposable, [NotNull] Func<Disposable, T> useDisposable)where Disposable : IDisposable
Parameters
Type Name Description
System.Func<Disposable> createDisposable

Create disposable.
System.Func<Disposable, T> useDisposable

Use disposable.
Returns
Type Description
Try<T>
Type Parameters
Name Description
Disposable The 1st type parameter.
T The 2nd type parameter.
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Using<Disposable, T>(Func<Disposable>, Func<Disposable, Try<T>>)

Creates, uses and properly disposes a <xref href="System.IDisposable" data-throw-if-not-resolved="false"></xref> specified by the
<em>createDisposable</em> and <em>useDisposable</em> functions
and returns a <xref href="NiceTry.Try`1" data-throw-if-not-resolved="false"></xref> that represents the success or failure of that operation.
Declaration
[NotNull]
public static Try<T> Using<Disposable, T>([NotNull] Func<Disposable> createDisposable, [NotNull] Func<Disposable, Try<T>> useDisposable)where Disposable : IDisposable
Parameters
Type Name Description
System.Func<Disposable> createDisposable

Create disposable.
System.Func<Disposable, Try<T>> useDisposable

Use disposable.
Returns
Type Description
Try<T>
Type Parameters
Name Description
Disposable The 1st type parameter.
T The 2nd type parameter.