WhiningBuilder
From APIDesign
One problem with ChameleonBuilder is that the change of the return type works only for a single essential attribute. Can we modify the [[builder] pattern to work with multiple such attributes? Another problem is the reported error - it doesn't push the user towards proper fix. Can we improve that and encourage cluelessness in users of our builders?
Multiple Throws
Java allows only a single return value - yet, it allows multiple throws - and throwing an exception is kind a return value as well. As the BuilderWithConditionalException it is possible use a generic type parameter to control whether the exception thrown from the build() method is checked exception or unchecked one. Let's do the same with multiple throws:
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