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author | Martin Odersky <odersky@gmail.com> | 2016-05-04 12:09:52 +0200 |
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committer | Martin Odersky <odersky@gmail.com> | 2016-05-23 16:11:45 +0200 |
commit | 89540268e6c49fb92b9ca61249e46bb59981bf5a (patch) | |
tree | 5d7296175b7f27fd4243c61775bf262b84ea919f /tests/neg | |
parent | 039e20f3919d2ff4aa30a1f58314d0d0bff319c0 (diff) | |
download | dotty-89540268e6c49fb92b9ca61249e46bb59981bf5a.tar.gz dotty-89540268e6c49fb92b9ca61249e46bb59981bf5a.tar.bz2 dotty-89540268e6c49fb92b9ca61249e46bb59981bf5a.zip |
Downwards comparisons for implicit search and overloading resolution
Compare selected contravariant arguments as if they were covariant.
Which ones is explained in the doc comment for method `isAsSpecificValueType`
in Applications.scala.
This has the same motivation than what @paulp proposed around 2012. The solution is a bit
different from the one proposed then because it only affects top-level parameters.
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