Rollup merge of #69847 - GuillaumeGomez:cleanup-e0393, r=Dylan-DPC

clean up E0393 explanation

r? @Dylan-DPC
This commit is contained in:
Mazdak Farrokhzad
2020-03-10 06:47:56 +01:00
committed by GitHub
@@ -1,5 +1,6 @@
A type parameter which references `Self` in its default value was not specified.
Example of erroneous code:
Erroneous code example:
```compile_fail,E0393
trait A<T=Self> {}