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Add more description of internally tagged enum representation #138

Closed ghost closed 1 year ago

ghost commented 2 years ago

Using a #[serde(tag = "...")] attribute on an enum containing a tuple variant with one element will be compiled without any compile-time error.

Before:

Using a #[serde(tag = "...")] attribute on an enum containing a tuple variant is an error at compile time.

After:

Using a #[serde(tag = "...")] attribute on an enum containing a tuple variant with more than one element is an error at compile time.

ghost commented 2 years ago

serde/src/private/ser.rs#L96-L336