C#•2y ago

Check whether list of generics contains a type, that implements interface

Hello, I need to perform sophisticated generic type constraint.
I have following class to store multiple generics in my class, they are added to class after each method call:

interface ICons<TLeft, TRight> {}

interface ICons<TLeft, TRight> {}

And after calling few methods I get following type:

class Builder<T> { ... }

Builder<ICons<IWithBar, ICons<IWithFoo, IUninitialized>> builder = new Builder().Foo(...).Bar(...);

class Builder<T> { ... }

Builder<ICons<IWithBar, ICons<IWithFoo, IUninitialized>> builder = new Builder().Foo(...).Bar(...);

I have a function that accepts

Builder<IConst<TLeft, TRight>>

Builder<IConst<TLeft, TRight>>

and I need generic constraint that will accept only those

Builder

Builder

's, which have both

IWithFoo

IWithFoo

and

IWithBar

IWithBar

somewhere inside their

IConst<TLeft, TRight>

IConst<TLeft, TRight>

.
Something like this:

void Build<TLeft, TRight>(Builder<ICons<TLeft, TRight>> builder)
where "TLeft or TRight contain somewhere inside them IWithFoo and IWithBar"
{ ... }

void Build<TLeft, TRight>(Builder<ICons<TLeft, TRight>> builder)
where "TLeft or TRight contain somewhere inside them IWithFoo and IWithBar"
{ ... }

I tried another approach where I specified that

Build<T>

Build<T>

accepts

T where T : IWithBar, IWithFoo

T where T : IWithBar, IWithFoo

, but that would require

ICons<TLeft, TRight>

ICons<TLeft, TRight>

to implement

TLeft

TLeft

and

TRight

TRight

, which I was answered is not possible (here: helpInterface implementing generic parameters)

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Check whether list of generics contains a type, that implements interface

Hello, I need to perform sophisticated generic type constraint.
I have following class to store multiple generics in my class, they are added to class after each method call:

interface ICons<TLeft, TRight> {}

interface ICons<TLeft, TRight> {}

And after calling few methods I get following type:

class Builder<T> { ... }

Builder<ICons<IWithBar, ICons<IWithFoo, IUninitialized>> builder = new Builder().Foo(...).Bar(...);

class Builder<T> { ... }

Builder<ICons<IWithBar, ICons<IWithFoo, IUninitialized>> builder = new Builder().Foo(...).Bar(...);

I have a function that accepts

Builder<IConst<TLeft, TRight>>

Builder<IConst<TLeft, TRight>>

and I need generic constraint that will accept only those

Builder

Builder

's, which have both

IWithFoo

IWithFoo

and

IWithBar

IWithBar

somewhere inside their

IConst<TLeft, TRight>

IConst<TLeft, TRight>

.
Something like this:

void Build<TLeft, TRight>(Builder<ICons<TLeft, TRight>> builder)
where "TLeft or TRight contain somewhere inside them IWithFoo and IWithBar"
{ ... }

void Build<TLeft, TRight>(Builder<ICons<TLeft, TRight>> builder)
where "TLeft or TRight contain somewhere inside them IWithFoo and IWithBar"
{ ... }

I tried another approach where I specified that

Build<T>

Build<T>

accepts

T where T : IWithBar, IWithFoo

T where T : IWithBar, IWithFoo

, but that would require

ICons<TLeft, TRight>

ICons<TLeft, TRight>

to implement

TLeft

TLeft

and

TRight

TRight

, which I was answered is not possible (here: helpInterface implementing generic parameters)

Discord

Discord - A New Way to Chat with Friends & Communities

Discord is the easiest way to communicate over voice, video, and text. Chat, hang out, and stay close with your friends and communities.

Check whether list of generics contains a type, that implements interface

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