Code cleanup
RELNOTES: None.
PiperOrigin-RevId: 218735707
diff --git a/src/main/java/com/google/devtools/build/lib/syntax/Parser.java b/src/main/java/com/google/devtools/build/lib/syntax/Parser.java
index 9370cfb..3e9ebd5 100644
--- a/src/main/java/com/google/devtools/build/lib/syntax/Parser.java
+++ b/src/main/java/com/google/devtools/build/lib/syntax/Parser.java
@@ -29,7 +29,6 @@
import com.google.devtools.build.lib.syntax.DictionaryLiteral.DictionaryEntryLiteral;
import com.google.devtools.build.lib.syntax.IfStatement.ConditionalStatements;
import java.util.ArrayList;
-import java.util.Collections;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.List;
@@ -639,7 +638,7 @@
nextToken();
// check for the empty tuple literal
if (token.kind == TokenKind.RPAREN) {
- ListLiteral literal = ListLiteral.makeTuple(Collections.emptyList());
+ ListLiteral literal = ListLiteral.makeTuple(ImmutableList.of());
setLocation(literal, start, token.right);
nextToken();
return literal;
@@ -811,7 +810,7 @@
switch (token.kind) {
case RBRACKET: // singleton List
{
- ListLiteral literal = ListLiteral.makeList(Collections.singletonList(expression));
+ ListLiteral literal = ListLiteral.makeList(ImmutableList.of(expression));
setLocation(literal, start, token.right);
nextToken();
return literal;