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
17 lines
458 B
JavaScript
17 lines
458 B
JavaScript
class P<X> { x: X; } // this is like Promise
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type Pstar<X> = X | Pstar<P<X>>; // this is like Promise*
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var p: P<number> = new P;
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(p.x: string); // error
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var pstar: Pstar<number> = 0; // OK
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(pstar: number); // error, but limit potentially unbounded number of errors!
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// e.g., P<number> ~/~ number, P<P<number>> ~/~ number, ...
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pstar = p; // OK
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(pstar.x: string); // error
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pstar = (new P: P<P<number>>); // OK
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(pstar.x: string); // error
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