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=== tests/cases/compiler/overloadOnConstConstraintChecks1.ts ===
class Base { foo() { } }
>Base : Base
>foo : () => void
class Derived1 extends Base { bar() { } }
>Derived1 : Derived1
>Base : Base
>bar : () => void
class Derived2 extends Base { baz() { } }
>Derived2 : Derived2
>Base : Base
>baz : () => void
class Derived3 extends Base { biz() { } }
>Derived3 : Derived3
>Base : Base
>biz : () => void
interface MyDoc { // Document
createElement(tagName: string): Base;
>createElement : { (tagName: string): Base; (tagName: "canvas"): Derived1; (tagName: "div"): Derived2; (tagName: "span"): Derived3; }
>tagName : string
createElement(tagName: 'canvas'): Derived1;
>createElement : { (tagName: string): Base; (tagName: 'canvas'): Derived1; (tagName: "div"): Derived2; (tagName: "span"): Derived3; }
>tagName : "canvas"
createElement(tagName: 'div'): Derived2;
>createElement : { (tagName: string): Base; (tagName: "canvas"): Derived1; (tagName: 'div'): Derived2; (tagName: "span"): Derived3; }
>tagName : "div"
createElement(tagName: 'span'): Derived3;
>createElement : { (tagName: string): Base; (tagName: "canvas"): Derived1; (tagName: "div"): Derived2; (tagName: 'span'): Derived3; }
>tagName : "span"
// + 100 more
}
class D implements MyDoc {
>D : D
createElement(tagName:string): Base;
>createElement : { (tagName: string): Base; (tagName: "canvas"): Derived1; (tagName: "div"): Derived2; (tagName: "span"): Derived3; }
>tagName : string
createElement(tagName: 'canvas'): Derived1;
>createElement : { (tagName: string): Base; (tagName: 'canvas'): Derived1; (tagName: "div"): Derived2; (tagName: "span"): Derived3; }
>tagName : "canvas"
createElement(tagName: 'div'): Derived2;
>createElement : { (tagName: string): Base; (tagName: "canvas"): Derived1; (tagName: 'div'): Derived2; (tagName: "span"): Derived3; }
>tagName : "div"
createElement(tagName: 'span'): Derived3;
>createElement : { (tagName: string): Base; (tagName: "canvas"): Derived1; (tagName: "div"): Derived2; (tagName: 'span'): Derived3; }
>tagName : "span"
createElement(tagName:any): Base {
>createElement : { (tagName: string): Base; (tagName: "canvas"): Derived1; (tagName: "div"): Derived2; (tagName: "span"): Derived3; }
>tagName : any
return null;
>null : null
}
}
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