[476794] Fix code completion within selectFirst and forAll

Change-Id: I23fe37f59cbf38a8fecb5a314fe216201039e505
Signed-off-by: Karsten Thoms <karsten.thoms@itemis.de>
diff --git a/plugins/org.eclipse.xtend/src/org/eclipse/internal/xtend/expression/codeassist/ExpressionProposalComputer.java b/plugins/org.eclipse.xtend/src/org/eclipse/internal/xtend/expression/codeassist/ExpressionProposalComputer.java
index 86e0fba..8ca27e2 100644
--- a/plugins/org.eclipse.xtend/src/org/eclipse/internal/xtend/expression/codeassist/ExpressionProposalComputer.java
+++ b/plugins/org.eclipse.xtend/src/org/eclipse/internal/xtend/expression/codeassist/ExpressionProposalComputer.java
@@ -194,7 +194,7 @@
 	}
 
 	private final static Pattern COL_OP = Pattern
-			.compile("((select|collect|exists|notExists|reject|forEach|sortBy)\\s*\\(\\s*(\\w+)\\s*\\|)|(\\()|(\\))");
+			.compile("((select|selectFirst|forAll|collect|exists|notExists|reject|forEach|sortBy)\\s*\\(\\s*(\\w+)\\s*\\|)|(\\()|(\\))");
 
 	private final static Pattern LET = Pattern.compile(".*let\\s*(\\w+)\\s*=\\s*([^:]+):([^:]*)");