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avoid reflect API in error #17420

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May 5, 2023
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avoid reflect API in error #17420

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3 changes: 1 addition & 2 deletions docs/_docs/reference/contextual/derivation-macro.md
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Original file line number Diff line number Diff line change
Expand Up @@ -160,9 +160,8 @@ object Eq:
case _ => '{ summonInline[Eq[Elem]] }

def deriveRec[T: Type, Elem: Type](using Quotes): Expr[Eq[Elem]] =
import quotes.reflect.*
Type.of[T] match
case '[Elem] => report.errorAndAbort("infinite recursive derivation")
case '[Elem] => '{ error("infinite recursive derivation") }
case _ => derivedMacro[Elem] // recursive derivation

inline def derived[T]: Eq[T] = ${ derivedMacro[T] }
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