Christopher Chedeau
3375cfe605
* new_tests * move_all_clobbered_tests * remove all the tests that no longer exist * re-run flow tests * Move all the flow tests to tests/flow and prettier to tests/ * Move prettier tests to their own folders * Add jsfmt files * run prettier snapshot tests
31 lines
707 B
JavaScript
31 lines
707 B
JavaScript
var a = []; // Array<X> ~> a
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function bar() {
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a = a.concat([]); // terminate despite expanding types:
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// a ~> .concat(Array<Y>)
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// Array<X> ~> .concat(Array<Y>)
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// Array<X|Y> ~> a
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// Array<X|Y> ~> .concat(Array<Y>)
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// Array<X|Y|Y> ~> a
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};
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class A<X> {
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x: A<A<X>>;
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}
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var a_ = new A;
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function foo0() {
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a_ = a_.x; // terminate despite expanding types
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}
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type T<X> = { y: S<X> };
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type S<X> = T<S<X>>;
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function foo1(b: S<*>) {
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b = b.y; // terminate despite expanding types, OK
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// S<*> = { y: S<S<*>> }
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// Both S<S<*>> and S<*> expand to { y: { y: ... }}.
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}
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class D<X> { }
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class B<X> extends D<X> { }
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class C<X> extends B<X> { }
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((new C: C<number>): D<string>) // error: number ~/~ string
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