omalley commented on code in PR #5195:
URL: https://github.com/apache/hadoop/pull/5195#discussion_r1046122861
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/StringUtils.java:
##########
@@ -1182,6 +1200,19 @@ public static String popFirstNonOption(List<String>
args) {
}
return null;
}
+ /**
+ * From a list of command-line arguments, ensure that all of the arguments
+ * have been used except a possible "--".
+ *
+ * @param args List of arguments.
+ * @throws IllegalArgumentException if some arguments were not used
+ */
+ public static void ensureAllUsed(List<String> args) throws
IllegalArgumentException {
+ if (!args.isEmpty() && !(args.size() == 1 && "--".equals(args.get(0)))) {
Review Comment:
I find writing code that depends overly on knowing the precedence for
non-math operators leads to trouble, so I'd prefer to leave them in.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
