The generics IComparable<T>

[TonyJ]

Hello!

I'm reading in a book from Microsoft that the generic interface
IComparabler<Td efine the two methods
CompareTo and Equals.

Now to my querstion if I look in the docs it says that CompareTo is defined
in the IComparabler<Tb ut
the Equals is not mentioned.

Is this just a bad book telling me wrong thing?
Or do I misunderstand it in some way?

//Tony

[Jon Skeet [C# MVP]]

Re: The generics IComparable&lt; T&gt;

On Feb 12, 9:45 am, "TonyJ" <johansson.ande rs...@telia.com wrote:

I'm reading in a book from Microsoft that the generic interface
IComparabler<Td efine the two methods
CompareTo and Equals.
>
Now to my querstion if I look in the docs it says that CompareTo is defined
in the IComparabler<Tb ut
the Equals is not mentioned.
>
Is this just a bad book telling me wrong thing?
Or do I misunderstand it in some way?

Do you mean IComparer<Tor IComparable<T>? They are two different
interfaces, but there's no such thing as IComparabler<T> .

In either case though, there's no Equals method. That appears in
IEquatable<Tand IEqualityCompar er<T>.

Jon

[Marc Gravell]

Re: The generics IComparable&lt; T&gt;

The book is wrong (or is being taken out of context; hard to tell
without a citation); it inherits a few methods from object (Equals(),
GetHashCode(), GetType() and ToString() ) but the interface itself
only declares CompareTo().

Marc

[Marc Gravell]

Re: The generics IComparable&lt; T&gt;

Frther; there is a "bool Equals(T other)", but that is on
IEquatable<T>

Marc