Parse 'any' in Type Expressions

Author: CodaFi

Sources/SwiftParser/Expressions.swift

@@ -883,7 +883,7 @@ extension Parser {
       // 'any' followed by another identifier is an existential type.
       if self.atContextualKeyword("any"),
          self.peek().tokenKind == .identifier,
-         self.peek().isAtStartOfLine
+         !self.peek().isAtStartOfLine
       {
         let ty = self.parseType()
         return RawExprSyntax(RawTypeExprSyntax(type: ty, arena: self.arena))

Tests/SwiftParserTest/Expressions.swift

@@ -491,4 +491,8 @@ final class ExpressionTests: XCTestCase {
       substructureAfterMarker: "ASYNC"
     )
   }
+
+  func testTypeExpression() {
+    AssertParse("_ = (any Sequence<Int>).self")
+  }
 }