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tests/cases/conformance/types/typeParameters/typeParameterLists/typeParameterDirectlyConstrainedToItself.ts(3,19): error TS2313: Type parameter 'T' has a circular constraint.
tests/cases/conformance/types/typeParameters/typeParameterLists/typeParameterDirectlyConstrainedToItself.ts(4,23): error TS2313: Type parameter 'U' has a circular constraint.
tests/cases/conformance/types/typeParameters/typeParameterLists/typeParameterDirectlyConstrainedToItself.ts(6,23): error TS2313: Type parameter 'T' has a circular constraint.
tests/cases/conformance/types/typeParameters/typeParameterLists/typeParameterDirectlyConstrainedToItself.ts(7,27): error TS2313: Type parameter 'U' has a circular constraint.
tests/cases/conformance/types/typeParameters/typeParameterLists/typeParameterDirectlyConstrainedToItself.ts(9,22): error TS2313: Type parameter 'T' has a circular constraint.
tests/cases/conformance/types/typeParameters/typeParameterLists/typeParameterDirectlyConstrainedToItself.ts(10,26): error TS2313: Type parameter 'U' has a circular constraint.
tests/cases/conformance/types/typeParameters/typeParameterLists/typeParameterDirectlyConstrainedToItself.ts(13,16): error TS2313: Type parameter 'T' has a circular constraint.
tests/cases/conformance/types/typeParameters/typeParameterLists/typeParameterDirectlyConstrainedToItself.ts(14,19): error TS2313: Type parameter 'U' has a circular constraint.
tests/cases/conformance/types/typeParameters/typeParameterLists/typeParameterDirectlyConstrainedToItself.ts(17,20): error TS2313: Type parameter 'T' has a circular constraint.
tests/cases/conformance/types/typeParameters/typeParameterLists/typeParameterDirectlyConstrainedToItself.ts(18,24): error TS2313: Type parameter 'U' has a circular constraint.
==== tests/cases/conformance/types/typeParameters/typeParameterLists/typeParameterDirectlyConstrainedToItself.ts (10 errors) ====
// all of the below should be errors
class C<T extends T> { }
~
!!! error TS2313: Type parameter 'T' has a circular constraint.
class C2<T, U extends U> { }
~
!!! error TS2313: Type parameter 'U' has a circular constraint.
interface I<T extends T> { }
~
!!! error TS2313: Type parameter 'T' has a circular constraint.
interface I2<T, U extends U> { }
~
!!! error TS2313: Type parameter 'U' has a circular constraint.
function f<T extends T>() { }
~
!!! error TS2313: Type parameter 'T' has a circular constraint.
function f2<T, U extends U>() { }
~
!!! error TS2313: Type parameter 'U' has a circular constraint.
var a: {
<T extends T>(): void;
~
!!! error TS2313: Type parameter 'T' has a circular constraint.
<T, U extends U>(): void;
~
!!! error TS2313: Type parameter 'U' has a circular constraint.
}
var b = <T extends T>() => { }
~
!!! error TS2313: Type parameter 'T' has a circular constraint.
var b2 = <T, U extends U>() => { }
~
!!! error TS2313: Type parameter 'U' has a circular constraint.
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