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Fix syntax of extension methods #13079

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Jul 15, 2021
Merged

Fix syntax of extension methods #13079

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2 changes: 1 addition & 1 deletion compiler/src/dotty/tools/dotc/parsing/Parsers.scala
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Expand Up @@ -3627,7 +3627,7 @@ object Parsers {
finalizeDef(gdef, mods1, start)
}

/** Extension ::= ‘extension’ [DefTypeParamClause] ‘(’ DefParam ‘)’
/** Extension ::= ‘extension’ [DefTypeParamClause] {UsingParamClause} ‘(’ DefParam ‘)’
* {UsingParamClause} ExtMethods
*/
def extension(): ExtMethods =
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4 changes: 2 additions & 2 deletions docs/docs/internals/syntax.md
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Expand Up @@ -414,8 +414,8 @@ EnumDef ::= id ClassConstr InheritClauses EnumBody
GivenDef ::= [GivenSig] (AnnotType [‘=’ Expr] | StructuralInstance)
GivenSig ::= [id] [DefTypeParamClause] {UsingParamClause} ‘:’ -- one of `id`, `DefParamClause`, `UsingParamClause` must be present
StructuralInstance ::= ConstrApp {‘with’ ConstrApp} [‘with’ TemplateBody]
Extension ::= ‘extension’ [DefTypeParamClause] ‘(’ DefParam ‘)’
{UsingParamClause} ExtMethods
Extension ::= ‘extension’ [DefTypeParamClause] {UsingParamClause}
‘(’ DefParam ‘)’ {UsingParamClause} ExtMethods
ExtMethods ::= ExtMethod | [nl] <<< ExtMethod {semi ExtMethod} >>>
ExtMethod ::= {Annotation [nl]} {Modifier} ‘def’ DefDef
Template ::= InheritClauses [TemplateBody]
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4 changes: 2 additions & 2 deletions docs/docs/reference/contextual/extension-methods.md
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Expand Up @@ -288,8 +288,8 @@ to the [current syntax](../syntax.md).
BlockStat ::= ... | Extension
TemplateStat ::= ... | Extension
TopStat ::= ... | Extension
Extension ::= ‘extension’ [DefTypeParamClause] ‘(’ DefParam ‘)’
{UsingParamClause} ExtMethods
Extension ::= ‘extension’ [DefTypeParamClause] {UsingParamClause}
‘(’ DefParam ‘)’ {UsingParamClause} ExtMethods
ExtMethods ::= ExtMethod | [nl] <<< ExtMethod {semi ExtMethod} >>>
ExtMethod ::= {Annotation [nl]} {Modifier} ‘def’ DefDef
```
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4 changes: 2 additions & 2 deletions docs/docs/reference/syntax.md
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Expand Up @@ -400,8 +400,8 @@ EnumDef ::= id ClassConstr InheritClauses EnumBody
GivenDef ::= [GivenSig] (AnnotType [‘=’ Expr] | StructuralInstance)
GivenSig ::= [id] [DefTypeParamClause] {UsingParamClause} ‘:’ -- one of `id`, `DefParamClause`, `UsingParamClause` must be present
StructuralInstance ::= ConstrApp {‘with’ ConstrApp} [‘with’ TemplateBody]
Extension ::= ‘extension’ [DefTypeParamClause] ‘(’ DefParam ‘)’
{UsingParamClause} ExtMethods
Extension ::= ‘extension’ [DefTypeParamClause] {UsingParamClause}
‘(’ DefParam ‘)’ {UsingParamClause} ExtMethods
ExtMethods ::= ExtMethod | [nl] <<< ExtMethod {semi ExtMethod} >>>
ExtMethod ::= {Annotation [nl]} {Modifier} ‘def’ DefDef
Template ::= InheritClauses [TemplateBody]
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