43 lines
1.1 KiB
Plaintext
43 lines
1.1 KiB
Plaintext
=== tests/cases/compiler/functionSubtypingOfVarArgs.ts ===
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class EventBase {
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>EventBase : EventBase
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private _listeners = [];
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>_listeners : any[]
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>[] : undefined[]
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add(listener: (...args: any[]) => void): void {
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>add : (listener: (...args: any[]) => void) => void
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>listener : (...args: any[]) => void
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>args : any[]
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this._listeners.push(listener);
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>this._listeners.push(listener) : number
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>this._listeners.push : (...items: any[]) => number
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>this._listeners : any[]
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>this : EventBase
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>_listeners : any[]
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>push : (...items: any[]) => number
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>listener : (...args: any[]) => void
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}
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}
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class StringEvent extends EventBase { // should work
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>StringEvent : StringEvent
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>EventBase : EventBase
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add(listener: (items: string) => void ) { // valid, items is subtype of args
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>add : (listener: (items: string) => void) => void
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>listener : (items: string) => void
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>items : string
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super.add(listener);
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>super.add(listener) : void
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>super.add : (listener: (...args: any[]) => void) => void
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>super : EventBase
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>add : (listener: (...args: any[]) => void) => void
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>listener : (items: string) => void
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}
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}
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