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
36 lines
681 B
JavaScript
36 lines
681 B
JavaScript
/* @flow */
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type Foo = {
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a: string; // exists in TestClass
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b: string; // doesn't exist
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c?: ?string; // exists in TestClass, optional
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d?: number; // doesn't exist
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}
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class TestClass {
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a: string;
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c: ?string;
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}
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var x = new TestClass();
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x.a; // ok
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x.b; // error, TestClass has no b
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x.c; // ok
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x.d; // error, TestClass has no d
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var y : Foo = x;
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y.b; // error, doesn't exist in TestClass
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y.d; // ok, it's optional
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class Test2Superclass {
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a: number; // conflicts with cast to Foo
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c: ?number; // conflicts with cast to Foo
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}
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class Test2Class extends Test2Superclass {
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b: number; // conflicts with cast to Foo
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}
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var z = new Test2Class();
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var w : Foo = z;
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