May 5, 2020 · What is the difference between the = and := operators, and what are the use cases for them? They both seem to be for an assignment?

Golang does not allow pointer-arithmetic (arrays do not decay to pointers) and insecure casting. All downcasts will be checked using the runtime-type of the variable and either panic or return false as second return-value when the instance is of the wrong type, depending on whether you actually take the second return type or not.

目前已经更新了 30 多篇，覆盖了 Golang 90% 的入门必学知识点，内容我还在不断完善更新中，而且 我还规划实战板块，比如 Web 开发，爬虫程序的编写等，敬请期待。 如果你还在入门阶段，或者准备入门，那么建议把我的个人网站收藏一下，完全可以当做 wiki 查阅。

Oct 16, 2012 · What is the difference between []string and ...string in golang? Asked 12 years, 9 months ago Modified 6 years, 1 month ago Viewed 141k times

Jul 29, 2017 · Instead of having a struct each time for converting json, you can use var data map[string]interface{} if err := json.Unmarshal([]byte(body), &data); err != nil { panic(err) } fmt.Println(data) Here body is string

Ternary ? operator alternatives | golang if else one line You can’t write a short one-line conditional in Go language ; there is no ternary conditional operator.

Nov 22, 2018 · The golang provide the channel is the best practice for concurrency control, so i think the efficiently way using sync.lock is not used it, use channel instead.

Golang 为并发而生 Golang 从 2009 年正式发布以来，依靠其极高运行速度和高效的开发效率，迅速占据市场份额。 Golang 从语言级别支持并发，通过轻量级协程 Goroutine 来实现程序并发运行。 Goroutine 非常轻量，主要体现在以下两个方面：

Jul 27, 2015 · What's the full name for `iota` in golang? Asked 9 years, 11 months ago Modified 1 year, 10 months ago Viewed 13k times

Jan 21, 2013 · It uses structures in Golang, and draws upon Object Oriented Principles to tie them all together in a neat little bundle. None of the underlying code will change when a new enumeration is added or deleted. The process is: Define an enumeration structure for enumeration items: EnumItem. It has an integer and string type.