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  1. JDK
  2. JDK-8132097

Stream.generate should use a covariant Supplier as parameter

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Details

    • Bug
    • Resolution: Fixed
    • P4
    • 9
    • None
    • core-libs

    Description

      The signature of Stream.generate doesn't to use a wildcard (? extends) hence some programs are rejected even if they are valid.
      The signature should be public static<T> Stream<T> generate(Supplier<? extends T> s).

      see http://mail.openjdk.java.net/pipermail/core-libs-dev/2015-July/034601.html

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8152617 add missing wildcards to Optional or() and flatMap()

          • P3 - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-8170946 Stream.iterate() should allow covariant seed and UnaryOperator args

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Open

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              psandoz Paul Sandoz
              forax Rémi Forax
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              Dates

                Created:
                Updated:
                Resolved: