93 lines
3.4 KiB
Plaintext
93 lines
3.4 KiB
Plaintext
==== tests/cases/conformance/types/objectTypeLiteral/callSignatures/typeParameterUsedAsTypeParameterConstraint2.ts (18 errors) ====
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// Type parameters are in scope in their own and other type parameter lists
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// Nested local functions
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function foo<T, U extends T>(x: T, y: U) {
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~~~~~~~~~~~
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!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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function bar<V extends T, W extends U>() {
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function baz<X extends W, Y extends V>(a: X, b: Y): T {
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x = y;
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~
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!!! Type 'U' is not assignable to type 'T'.
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return y;
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~
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!!! Type 'U' is not assignable to type 'T'.
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}
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}
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}
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function foo2<U extends T, T>(x: T, y: U) {
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~~~~~~~~~~~
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!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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function bar<V extends T, W extends U>() {
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function baz<X extends W, Y extends V>(a: X, b: Y): T {
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x = y;
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~
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!!! Type 'U' is not assignable to type 'T'.
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return y;
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~
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!!! Type 'U' is not assignable to type 'T'.
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}
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}
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}
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var f = function <T, U extends T>(x: T, y: U) {
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~~~~~~~~~~~
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!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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function bar<V extends T, W extends U>() {
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var g = function <X extends W, Y extends V>(a: X, b: Y): T {
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x = y;
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~
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!!! Type 'U' is not assignable to type 'T'.
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return y;
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~
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!!! Type 'U' is not assignable to type 'T'.
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}
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}
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}
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var f2 = function <U extends T, T>(x: T, y: U) {
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~~~~~~~~~~~
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!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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function bar<V extends T, W extends U>() {
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var g = function baz<X extends W, Y extends V>(a: X, b: Y): T {
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x = y;
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~
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!!! Type 'U' is not assignable to type 'T'.
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return y;
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~
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!!! Type 'U' is not assignable to type 'T'.
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}
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}
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}
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var f3 = <T, U extends T>(x: T, y: U) => {
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~~~~~~~~~~~
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!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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function bar<V extends T, W extends U>() {
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var g = <X extends W, Y extends V>(a: X, b: Y): T => {
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x = y;
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~
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!!! Type 'U' is not assignable to type 'T'.
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return y;
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~
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!!! Type 'U' is not assignable to type 'T'.
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}
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}
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}
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var f4 = <U extends T, T>(x: T, y: U) => {
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~~~~~~~~~~~
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!!! Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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function bar<V extends T, W extends U>() {
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var g = <X extends W, Y extends V>(a: X, b: Y): T => {
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x = y;
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~
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!!! Type 'U' is not assignable to type 'T'.
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return y;
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~
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!!! Type 'U' is not assignable to type 'T'.
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}
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}
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} |