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Derivation documentation: use inline def derived so that derives is employed #16919

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Derivation documentation: use inline def derived so that derives is employed #16919

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Derivation documentation: use `inline def derived` so that `derives` …
sideeffffect Feb 14, 2023
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Update derivation-macro.md
sideeffffect Feb 15, 2023
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2 changes: 1 addition & 1 deletion docs/_docs/reference/contextual/derivation-macro.md
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Expand Up @@ -31,7 +31,7 @@ given derived[T: Type](using Quotes): Expr[Eq[T]]
and for comparison reasons we give the same signature we had with `inline`:

```scala
inline given derived[T](using Mirror.Of[T]): Eq[T] = ???
inline def derived[T](using Mirror.Of[T]): Eq[T] = ???
```

Note, that since a type is used in a subsequent stage it will need to be lifted
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2 changes: 1 addition & 1 deletion docs/_docs/reference/contextual/derivation.md
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Expand Up @@ -419,7 +419,7 @@ object Eq:
case ((x, y), elem) => check(elem)(x, y)
}

inline given derived[T](using m: Mirror.Of[T]): Eq[T] =
inline def derived[T](using m: Mirror.Of[T]): Eq[T] =
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I believe there is a test case with this example that also needs to be updated.

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a cursory search of "given derived" reveals quite a lot of instances, including in the docs/_docs/reference/contextual/derivation-macro.md document, which is derivation using macro quotes and splices instead of inline match

lazy val elemInstances = summonAll[m.MirroredElemTypes]
inline m match
case s: Mirror.SumOf[T] => eqSum(s, elemInstances)
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