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:
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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