40 lines
909 B
TypeScript
40 lines
909 B
TypeScript
class C {
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self = this;
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c = new C();
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foo() {
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return this;
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}
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f1() {
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this.c = this.self;
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this.self = this.c; // Error
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}
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f2() {
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var a: C[];
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var a = [this, this.c]; // C[] since this is subtype of C
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var b: this[];
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var b = [this, this.self, null, undefined];
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}
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f3(b: boolean) {
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return b ? this.c : this.self; // Should be C
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}
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}
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class D extends C {
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self1 = this;
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self2 = this.self;
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self3 = this.foo();
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d = new D();
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bar() {
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this.self = this.self1;
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this.self = this.self2;
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this.self = this.self3;
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this.self1 = this.self;
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this.self2 = this.self;
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this.self3 = this.self;
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this.d = this.self;
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this.d = this.c; // Error
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this.self = this.d; // Error
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this.c = this.d;
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}
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}
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