uschindler commented on a change in pull request #643:
URL: https://github.com/apache/lucene/pull/643#discussion_r800054132
##########
File path: lucene/core/src/java/org/apache/lucene/util/IOUtils.java
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@@ -526,4 +526,14 @@ public static void fsync(Path fileToSync, boolean isDir)
throws IOException {
public interface IOFunction<T, R> {
R apply(T t) throws IOException;
}
+
+ /**
+ * A resource supplier function that may throw on IOException
+ *
+ * @see java.util.function.Supplier
+ */
+ @FunctionalInterface
+ public interface ResourceSupplier<T> {
Review comment:
Maybe rename this to `IOSupplier<T>` to be inline with the other
interfaces before. I wasn't aware that there were already interfaces like this.
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