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tests/cases/compiler/typeParameterHasSelfAsConstraint.ts(1,24): error TS2313: Type parameter 'T' has a circular constraint.
tests/cases/compiler/typeParameterHasSelfAsConstraint.ts(2,5): error TS2322: Type 'T' is not assignable to type 'number'.
==== tests/cases/compiler/typeParameterHasSelfAsConstraint.ts (2 errors) ====
function foo<T extends T>(x: T): number {
~
!!! error TS2313: Type parameter 'T' has a circular constraint.
return x;
~~~~~~
!!! error TS2322: Type 'T' is not assignable to type 'number'.
!!! related TS2208 tests/cases/compiler/typeParameterHasSelfAsConstraint.ts:1:14: This type parameter might need an `extends number` constraint.
}
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