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Fix the first example under "Parameter Types of Function Values" #9519

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Aug 18, 2020
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Fix the first example under "Parameter Types of Function Values" #9519

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7 changes: 4 additions & 3 deletions docs/docs/reference/changed-features/overload-resolution.md
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Expand Up @@ -52,9 +52,10 @@ that the remaining parameters suffice for picking a variant of the overloaded fu
For example, the following code compiles in Dotty, while it results in an
missing parameter type error in Scala2:
```scala
def f(x: Int, f: Int => Int) = f(x)
def f(x: String, f: String => String) = f(x)
f("a", _.length)
def f(x: Int, f2: Int => Int) = f2(x)
def f(x: String, f2: String => String) = f2(x)
f("a", _.toUpperCase)
f(2, _ * 2)
```
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What about using m for methods and keep f for function parameters?

To make this work, the rules for overloading resolution in section 6.23.3 of the SLS are modified
as follows:
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