timi/timi-java
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add safeIterable

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Timi
2025-12-12 15:36:08 +08:00
parent 90366671d1
commit 50c9a416a6
1 changed files with 5 additions and 0 deletions
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5
src/main/java/com/imyeyu/java/TimiJava.java
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@ -3,6 +3,7 @@ package com.imyeyu.java;
import java.io.PrintWriter; import java.io.PrintWriter;
import java.io.StringWriter; import java.io.StringWriter;
import java.util.Collection; import java.util.Collection;
import java.util.Collections;
import java.util.Map; import java.util.Map;
/** /**
@ -94,4 +95,8 @@ public interface TimiJava {
e.printStackTrace(pw); e.printStackTrace(pw);
return sw.toString(); return sw.toString();
} }
static <T> Iterable<T> safeIterable(Iterable<T> iterable) {
return firstNotNull(iterable, Collections::emptyIterator);
}
} }