[GitHub] [commons-lang] remeio commented on pull request #1057: Feature add NOP for TriFunction

["remeio (via GitHub)" <gi...@apache.org>]

remeio commented on PR #1057:
URL: https://github.com/apache/commons-lang/pull/1057#issuecomment-1511262424

   I agree the  ` When returning a result, even specifying null is an operation.` But in package `org.apache.commons.lang3.function`, there seems to be some kind of agreement.
   
   - NOP for Function: (t, u) -> null;
   - NOP for Consumer: (t, u) -> {/* NOP */};
   
   Such as For Function:
   ```java
   public interface FailableBiFunction<T, U, R, E extends Throwable> {
   
       /** NOP singleton */
       @SuppressWarnings("rawtypes")
       FailableBiFunction NOP = (t, u) -> null;
   }
   ``` 
   For Consumer: 
   ```java
   @FunctionalInterface
   public interface FailableBiConsumer<T, U, E extends Throwable> {
   
       /** NOP singleton */
       @SuppressWarnings("rawtypes")
       FailableBiConsumer NOP = (t, u) -> {/* NOP */};
   }
   ```


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