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Oct 5, 2021
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FAQ: small improvement in 'this type' answer #2195

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FAQ: small improvement in 'this type' answer
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Expand Up @@ -229,6 +229,9 @@ For an in-depth treatment of types vs. classes, see the blog post

### How can a method in a superclass return a value of the “current” type?

Using `this.type` won't work. People often try that, but `this.type` means
"the singleton type of this instance", a different and too-specific meaning.

Possible solutions include F-bounded polymorphism
_(familiar to Java programmers)_, type members,
and the [typeclass pattern](http://tpolecat.github.io/2013/10/12/typeclass.html).
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