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12 lines
284 B
TypeScript
12 lines
284 B
TypeScript
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class A<T1, T2> {
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constructor(private map: (value: T1) => T2) {
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}
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}
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class B extends A<number, string> {
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// Ensure 'value' is of type 'number (and not '{}') by using its 'toExponential()' method.
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constructor() { super(value => String(value.toExponential())); }
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}
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