File: typeParameterAssignability.types

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//// [tests/cases/conformance/types/typeRelationships/assignmentCompatibility/typeParameterAssignability.ts] ////

=== typeParameterAssignability.ts ===
// type parameters are not assignable to one another unless directly or indirectly constrained to one another

function foo<T, U>(t: T, u: U) {
>foo : <T, U>(t: T, u: U) => void
>t : T
>u : U

    t = u; // error
>t = u : U
>t : T
>u : U

    u = t; // error
>u = t : T
>u : U
>t : T
}