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Chris Tate
c58160ca94
- Compile initialized Symbol() and Symbol.for() fields, including inherited OpenTUI brands. - Share registry-key storage across modules and keep symbol slots out of string-keyed enumeration. - Refuse unstable keys and unsupported symbol-field copies.
16 lines
420 B
TypeScript
16 lines
420 B
TypeScript
const brand: unique symbol = Symbol.for("scriptc.typed.brand");
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const text: unique symbol = Symbol("text");
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class Typed {
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[brand]: boolean = true;
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[text]: string | undefined = undefined;
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read(): boolean {
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return this[brand];
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}
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}
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const typed = new Typed();
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console.log(typed[brand], typed[text], typed.read());
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typed[brand] = false;
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typed[text] = "set";
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console.log(typed[brand], typed[text], typed.read());
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