Is it possible to identify rune types through reflection in Golang?

Is it possible to identify rune types through reflection in Golang? This is a common problem that many developers encounter when using Golang. In Golang, reflection is a powerful tool that can dynamically view and modify type information at runtime. However, for rune types, Golang's reflection mechanism does not directly support it. The rune type is a special type used to represent values ​​of unknown types. Therefore, rune types cannot be identified by conventional reflection methods. However, there are a few tricks and conventions that can be used to simulate the behavior of rune types to achieve a similar effect.

Question content

In go, when I execute reflect.typeof(r), where r is a rune variable, I get Type int32. When I type switch, I can't differentiate between int32 and rune. The documentation says:

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Before giving, I just want to ask here: Is there any way to distinguish rune and int32 through reflection in go?

Solution

AliasBind the identifier to the type. The identifier rune refers to the same type as int32.

Identifiers used to reference types in source code are not available at runtime through reflection or any other API.

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