TypeScript function overload All In One

发布时间 2023-10-14 23:31:14作者: xgqfrms

TypeScript function overload All In One

TypeScript 函数重载


errors

// This overload signature is not compatible with its implementation signature.(2394)

function myFunction(fn: (a: string) => void, value: string): void;
function myFunction(fn: (a: number) => void, value: number): void;
// function overload 重载
// 参数类型。参数数量 不同
function myFunction(fn: (a: string | number) => void, value: string | number): void {
   // Implementation
}
// function myFunction(fn: (a: string | number) => void, value: string | number, xyz: number): void {
//    // Implementation
// }

https://www.typescriptlang.org/play?#code/PTAEBUAsEsGdQPYDcCmAnANgghgE1LNAOYB22ALgK5oqhygkLmgDGCAtgA4XQBGGtAO7RykOuXjQuA9ihLkeCEgWJkqNAHQAKAEwBmAJwAWAJQAoMwDNKJFuWhLQ7AJ4AxG3YcktlkgC5QLWwA2HI0aBIiE1AAXgA+UCQEaFwAGkTsDEoUELCIqICklIBuKw97Rxd3WwrvXwCggJJKdl50aPjE5LSMrJyGFra0E0Lu0pBQaxqvRFRMHHxAWcTAX3izCcAh5UAHU0BvH0Bo9UAgBi3NwHnE0EBYOUAYFTLpyrdyrx9-QOCCPMjQAB8B1vbYhKKekhMtlcuF3l9mj9hqMUqAAN5mUBIiYASWkKFk8kUJDMAF81mApp5btViXUno1XmCiJ9vkMOv9uukgX1QflaZChukAB7OABeTUG7Rh+AREyRoFR6MxClqBNAuKAA

solutions



demos

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