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Feb 12, 2020
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Update macros.md #8297

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6 changes: 3 additions & 3 deletions docs/docs/reference/metaprogramming/macros.md
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Original file line number Diff line number Diff line change
Expand Up @@ -626,8 +626,8 @@ In `scala.quoted.matching` contains object that can help extract values from `Ex

These could be used in the following way to optimize any call to `sum` that has statically known values.
```scala
inline def sum(args: =>Int*): Int = ${ sumExpr('args) }
private def sumExpr(argsExpr: Expr[Seq[Int]])(using QuoteContext): Expr[Int] = argsExpr.underlyingArgument match {
inline def sum(inline args: Int*): Int = ${ sumExpr('args) }
private def sumExpr(argsExpr: Expr[Seq[Int]])(using QuoteContext): Expr[Int] = argsExpr match {
case ConstSeq(args) => // args is of type Seq[Int]
Expr(args.sum) // precompute result of sum
case ExprSeq(argExprs) => // argExprs is of type Seq[Expr[Int]]
Expand Down Expand Up @@ -705,7 +705,7 @@ This might be used to then perform an implicit search as in:


```scala
inline def (sc: StringContext).showMe(args: =>Any*): String = ${ showMeExpr('sc, 'args) }
inline def (sc: StringContext).showMe(inline args: Any*): String = ${ showMeExpr('sc, 'args) }

private def showMeExpr(sc: Expr[StringContext], argsExpr: Expr[Seq[Any]])(using qctx: QuoteContext): Expr[String] = {
argsExpr match {
Expand Down