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refactor: TopLevel implicit is now allowed, remove unnecessary checking for toplevel implicits #14935

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Apr 22, 2022
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refactor: TopLevel implicit is now allowed, remove unnecessary checking for toplevel implicits #14935

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7 changes: 0 additions & 7 deletions compiler/src/dotty/tools/dotc/reporting/messages.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -1510,13 +1510,6 @@ import transform.SymUtils._
def explain = ""
}

class TopLevelCantBeImplicit(sym: Symbol)(
implicit ctx: Context)
extends SyntaxMsg(TopLevelCantBeImplicitID) {
def msg = em"""${hl("implicit")} modifier cannot be used for top-level definitions"""
def explain = ""
}

class TypesAndTraitsCantBeImplicit()(using Context)
extends SyntaxMsg(TypesAndTraitsCantBeImplicitID) {
def msg = em"""${hl("implicit")} modifier cannot be used for types or traits"""
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3 changes: 1 addition & 2 deletions compiler/src/dotty/tools/dotc/typer/Checking.scala
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Expand Up @@ -473,8 +473,7 @@ object Checking {
if sym.isInlineMethod && !sym.is(Deferred) && sym.allOverriddenSymbols.nonEmpty then
checkInlineOverrideParameters(sym)
if (sym.is(Implicit)) {
if (sym.owner.is(Package))
fail(TopLevelCantBeImplicit(sym))
assert(!sym.owner.is(Package), s"top-level implicit $sym should be wrapped by a package after typer")
if sym.isType && (!sym.isClass || sym.is(Trait)) then
fail(TypesAndTraitsCantBeImplicit())
}
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