TypeScript/tests/cases/compiler/optionalPropertiesInClasses.ts
2014-07-12 17:30:19 -07:00

17 lines
245 B
TypeScript

interface ifoo {
x?:number;
y:number;
}
class C1 implements ifoo {
public y:number;
}
class C2 implements ifoo { // ERROR - still need 'y'
public x:number;
}
class C3 implements ifoo {
public x:number;
public y:number;
}