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tests/cases/conformance/classes/propertyMemberDeclarations/memberFunctionDeclarations/derivedTypeAccessesHiddenBaseCallViaSuperPropertyAccess.ts(14,36): error TS2345: Argument of type '{ a: number; b: number; }' is not assignable to parameter of type '{ a: number; }'.
Object literal may only specify known properties, and 'b' does not exist in type '{ a: number; }'.
==== tests/cases/conformance/classes/propertyMemberDeclarations/memberFunctionDeclarations/derivedTypeAccessesHiddenBaseCallViaSuperPropertyAccess.ts (1 errors) ====
class Base {
foo(x: { a: number }): { a: number } {
return null;
}
}
class Derived extends Base {
foo(x: { a: number; b: number }): { a: number; b: number } {
return null;
}
bar() {
var r = super.foo({ a: 1 }); // { a: number }
var r2 = super.foo({ a: 1, b: 2 }); // { a: number }
~~~~
!!! error TS2345: Argument of type '{ a: number; b: number; }' is not assignable to parameter of type '{ a: number; }'.
!!! error TS2345: Object literal may only specify known properties, and 'b' does not exist in type '{ a: number; }'.
var r3 = this.foo({ a: 1, b: 2 }); // { a: number; b: number; }
}
}
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