FaunaDB.Types.IOption< T > Interface Template Reference

Represents an optional value. More...

Inherited by FaunaDB.Types.None< T >, and FaunaDB.Types.Some< T >.

Public Member Functions
IOption< U >	Map< U > (Func< T, U > func)
	Apply the function passed on the optional value. More...
IOption< U >	FlatMap< U > (Func< T, IOption< U >> func)
	Apply the function passed on the optional value. More...
U	Match< U > (Func< T, U > Some, Func< U > None)
	Matches the current instance. Case it contains some value it will execute the first argument. Case it contains none value it will execute the second argument. More...
void	Match (Action< T > Some, Action None)
	Matches the current instance. Case it contains some value it will execute the first argument. Case it contains none value it will execute the second argument. More...

Properties
T	Value [get]

Detailed Description

Represents an optional value.

Definition at line 8 of file Option.cs.

Member Function Documentation

FlatMap< U >()

IOption<U> FaunaDB.Types.IOption< T >.FlatMap< U >

(

Func< T, IOption< U >>

func

)

Apply the function passed on the optional value.

Parameters

func	the map function to be applied

Returns

If this is a some value, return a new optional with the function applied to it. If this is a none value, returns none and ignore the function.

Map< U >()

IOption<U> FaunaDB.Types.IOption< T >.Map< U >

(

Func< T, U >

func

)

Apply the function passed on the optional value.

Parameters

func	the map function to be applied

Returns

If this is a some value, return a new optional with the function applied to it. If this is a none value, returns none and ignore the function.

Match()

void FaunaDB.Types.IOption< T >.Match	(	Action< T >	Some,
		Action	None
	)

Matches the current instance. Case it contains some value it will execute the first argument. Case it contains none value it will execute the second argument.

IOption<string> optional = ...

result.Match( Some: value => DoSomething(value), None: () => DoSomethingElse() );

Parameters

Some	Function to be executed case this instance contains some value
None	Function to be executed case this instance contains none value

Match< U >()

U FaunaDB.Types.IOption< T >.Match< U >	(	Func< T, U >	Some,
		Func< U >	None
	)

Matches the current instance. Case it contains some value it will execute the first argument. Case it contains none value it will execute the second argument.

IOption<string> optional = ...

int parsed = result.Match( Some: value => int.Parse(value), None: () => ReturnDefaultValue() );

Parameters

Some	Function to be executed case this instance contains some value
None	Function to be executed case this instance contains none value

Property Documentation

Value

T FaunaDB.Types.IOption< T >.Value

get

Definition at line 10 of file Option.cs.

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The documentation for this interface was generated from the following file:

• /tmp/build/1a4543b4/fauna-csharp-repository/FaunaDB.Client/Types/Option.cs