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Fix #8015: update docs #8039

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Jan 20, 2020
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Fix #8015: update docs #8039

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00c13fb
Fix #8015: update docs for vararg patterns
liufengyun Jan 20, 2020
faa9ae6
Fix #8018: update syntax for wildcard argument in types
liufengyun Jan 20, 2020
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2 changes: 1 addition & 1 deletion docs/docs/internals/syntax.md
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Original file line number Diff line number Diff line change
Expand Up @@ -157,7 +157,7 @@ SimpleType ::= SimpleType TypeArgs
| StableId
| Path ‘.’ ‘type’ SingletonTypeTree(p)
| ‘(’ ArgTypes ‘)’ Tuple(ts)
| ‘_’ SubtypeBounds
| ‘?’ SubtypeBounds
| Refinement RefinedTypeTree(EmptyTree, refinement)
| SimpleLiteral SingletonTypeTree(l)
| ‘$’ ‘{’ Block ‘}’
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7 changes: 5 additions & 2 deletions docs/docs/reference/changed-features/vararg-patterns.md
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Expand Up @@ -36,5 +36,8 @@ The change to the grammar is:

## Compatibility considerations

Under the `-language:Scala2Compat` option, Dotty will accept both the old and the new syntax.
A migration warning will be emitted when the old syntax is encountered.
To enable smooth cross compilation between Scala 2 and Scala 3, Dotty will
accept both the old and the new syntax. Under the `-strict` setting, an error
will be emitted when the old syntax is encountered. They will be enabled by
default in version 3.1 of the language.