types function typescript
interface Safer_Easy_Fix {
title: string;
callback: () => void;
}
interface Alternate_Syntax_4_Safer_Easy_Fix {
title: string;
callback(): void;
}types function typescript
interface Safer_Easy_Fix {
title: string;
callback: () => void;
}
interface Alternate_Syntax_4_Safer_Easy_Fix {
title: string;
callback(): void;
}typescript function as parameter
function createPerson(name: string, doAction: () => void): void {
console.log(`Hi, my name is ${name}.`);
doAction(); // doAction as a function parameter.
}
// Hi, my name is Bob.
// performs doAction which is waveHands function.
createPerson('Bob', waveHands());types function typescript
interface Easy_Fix_Solution {
title: string;
callback: Function;
}types function typescript
interface Param {
title: string;
callback: function;
}types function typescript
interface Alternate_Syntax_4_Advanced {
title: string;
callback<T extends unknown[], R = unknown>(...args?: T): R;
}types function typescript
interface Better_still_safe_but_way_more_flexible_fix {
title: string;
callback: <T = unknown, R = unknown>(args?: T) => R;
}
interface Alternate_Syntax_4_Better_still_safe_but_way_more_flexible_fix {
title: string;
callback<T = unknown, R = unknown>(args?: T): R;
}Copyright © 2021 Codeinu
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