DelegateParameter1 Delegate

SWI-Prolog SbsSW.SwiPlCs

Swi-cs-pl - A CSharp class library to connect .NET languages with SWI-Prolog DelegateParameter1 Delegate

Provide a predefined Delegate to register a C# method to be called from SWI-Prolog

Declaration Syntax

Visual Basic

Visual C++

public delegate bool DelegateParameter1(
	PlTerm term
)

Public Delegate Function DelegateParameter1 ( _
	term As PlTerm _
) As Boolean

public delegate bool DelegateParameter1(
	PlTerm term
)

Parameters

term (PlTerm)

Return Value

true for succeeding otherwise false for fail

Examples

See also the example in DelegateParameter2.

CopyC#

[TestMethod]
public void t_creating_a_list()
{
    Delegate d = new DelegateParameter1(create_list);
    PlEngine.RegisterForeign(d);
    for (int i = 1; i < 10; i++)
    {
        PlTerm t = PlQuery.PlCallQuery("create_list(L)");
        Assert.AreEqual("[a,b,c]", t.ToString(), "create_list failed!");
    }
}
public static bool create_list(PlTerm list)
{
    return list.Unify(new PlTerm("[a,b,c]"));
}