Zhentiw - 博客园

2024年2月6日

摘要： Panic recovery is a mechanism in Go that allows a program to handle unexpected errors (panics) gracefully. package main import ( "fmt" ) func mayPanic 阅读全文

posted @ 2024-02-06 03:24 Zhentiw 阅读(19) 评论(0) 推荐(0)

[Go] Defer keyword

摘要： defermake sure the operation will be executed at the end of a function. func loadChampions() ([]champion, error) { file, err := os.Open("tft_champions 阅读全文

posted @ 2024-02-06 03:22 Zhentiw 阅读(17) 评论(0) 推荐(0)

2024年2月5日

[Performance] Memory pool

摘要： A memory pool, also known as a memory buffer pool, is a method used in software development for managing memory allocation. Instead of allocating and 阅读全文

posted @ 2024-02-05 16:00 Zhentiw 阅读(41) 评论(0) 推荐(0)

2024年2月1日

[Typescript 5] Intro to Variants (keyword in & out)

摘要： Covariance - producer - out - function return position - same arrow direction Contravariance - packager - in - function param position - different arr 阅读全文

posted @ 2024-02-01 16:03 Zhentiw 阅读(128) 评论(0) 推荐(0)

2024年1月31日

[Typescript] The type Registry pattern (declare module)

摘要： Our project might have a file structure like Our project might have a file structure like data/ book.ts // A model for Book records magazine.ts // A m 阅读全文

posted @ 2024-01-31 16:02 Zhentiw 阅读(53) 评论(0) 推荐(0)

[Typescript] Any record key

摘要： type AnyProppertyKey = keyof any Example: type Example = Record<AnyProertyKey, any> 阅读全文

posted @ 2024-01-31 15:10 Zhentiw 阅读(14) 评论(0) 推荐(0)

2024年1月29日

[Typescript 5] infer Constraints

摘要： Since typescript 5, we are able to add constraints over infer. Following code doesn't apply constraints, so the inferred element could be stringand nu 阅读全文

posted @ 2024-01-29 23:44 Zhentiw 阅读(27) 评论(0) 推荐(0)

[Typescript] Infer first argument of a function

摘要： type OneArgFn<A = any> = (firstArg: A, ..._args: any[]) => void type GetFirstArg<T> = T extends OneArgFn<infer R> ? R : never; // Test case function f 阅读全文

posted @ 2024-01-29 23:39 Zhentiw 阅读(18) 评论(0) 推荐(0)

[Typescript] Importing non-TS things

摘要： Particularly if you use a bundler like webpack, parcel or snowpack, you may end up importing things that aren’t .js or .ts files For example, maybe yo 阅读全文

posted @ 2024-01-29 14:58 Zhentiw 阅读(28) 评论(0) 推荐(0)

[Typescript] Native ES module support

摘要： Node.js 13.2.0 introduced support for native ES modules. This means you can natively run code containing thing like import { Foo } from 'bar', use top 阅读全文

posted @ 2024-01-29 14:47 Zhentiw 阅读(33) 评论(0) 推荐(0)

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