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Golang (also known as Go language) is a statically strongly typed, compiled, concurrent, and garbage collection programming language developed by Google. The syntax is similar to C, but the functions include: memory safety, GC (garbage collection), structural form and CSP-style concurrent computing.
Is the bottom layer of golang C language?
In the earliest times, Golang was implemented in C language and assembly.
Later Golang implemented bootstrapping and rewrote the compiler, so now it is implemented using Golang itself.
If you invent a new language CNifeLang, you first need to write a CNifeLang compiler in an existing language, for example, use Golang; you write a CNifeLang in Golang The compiler can successfully compile any legal CNifeLang source code into an equivalent target program. Then use CNifeLang to write a program, which has the same function as the compiler you wrote in Golang. Use the compiler implemented in Golang to compile the program, and you will get a CNifeLang compiler implemented in CNifeLang. Because the function of this program is exactly the same as the compiler written in Golang, you can use this compiler to compile CNifeLang, so CNifeLang implements bootstrapping.
-----Excerpt from Zhihu, author: CNife
Extension:
golang(go) is a process Programming language for fast machine code compilation. It is a statically typed compiled language. It provides a concurrency mechanism that makes it easy to develop multi-core and networked machine-level programs. It is a fast, dynamically typed and interpreted language; it provides support for interfaces and type embedding.
Features
Simple syntax
Go language is simple and easy to learn, with a gentle learning curve. It does not require two to three years like C/C language. learning period. Go language is called "C language of the Internet era". The style of Go language is similar to C language. Its syntax has been greatly simplified based on the C language, and unnecessary expression brackets have been removed. The loop has only one expression method, for, which can realize various traversals such as numerical values and key values.
Uniform code style
Go language provides a set of formatting tools-go fmt. Some Go language development environments or editors will use formatting tools to modify the format of the code when saving, thus ensuring that the code submitted by different developers is in a unified format.
Good execution performance
Go language is a compiled language. The code we write is directly compiled into a binary executable file that can be executed by the server.
High development efficiency
Although Go language is a compiled language, it has a built-in garbage collection mechanism, which reduces the mental burden on developers and makes it more efficient. It has the same development efficiency as interpreted languages such as Python and PHP. It truly achieves the perfect combination of development efficiency and execution efficiency.
Born to support concurrency
Go was released in 2009, when multi-core processors were already on the market. The Go language has native design advantages in multi-core concurrency. The Go language natively supports concurrency from the bottom up, without the need for third-party libraries, developers' programming skills and development experience.
Recommended learning: Golang tutorial
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