January 2023
Beginner to intermediate
372 pages
8h 47m
Korean
Content preview from 러닝 타입스크립트
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165
8
장
클래스
// Error: Property 'age' in type 'AsNumber' is not assignable// Error: Property 'age' in type 'AsNumber' is not assignable
// to the same property in base type 'AgeIsNotANumber'.// to the same property in base type 'AgeIsNotANumber'.
// Type 'number' is not assignable to type '() => string'.// Type 'number' is not assignable to type '() => string'.
}
class NotAsNumber implements AgeIsANumber, AgeIsNotANumber {
age() { return ""; }
//~//~
// Error: Property 'age' in type 'NotAsNumber' is not assignable// Error: Property 'age' in type 'NotAsNumber' is not assignable
// to the same property in base type 'AgeIsANumber'.// to the same property ...