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| author | Martin Odersky <odersky@gmail.com> | 2014-12-09 11:35:02 +0100 |
|---|---|---|
| committer | Martin Odersky <odersky@gmail.com> | 2014-12-10 18:51:53 +0100 |
| commit | 63505c28506445216e883309237c84448ce11a7d (patch) | |
| tree | 6ff8732e409a6cff342a33afbabd82d12ad98daf /src/dotty/tools/dotc/core/Types.scala | |
| parent | 8336a0ddbe78b363394c48e3407b79c72008d2b3 (diff) | |
| download | dotty-63505c28506445216e883309237c84448ce11a7d.tar.gz dotty-63505c28506445216e883309237c84448ce11a7d.tar.bz2 dotty-63505c28506445216e883309237c84448ce11a7d.zip | |
Add equality method to TypeBounds.
Curiously, was missing before, which meant variance was ignored when hash-consing
TypeBounds.
Diffstat (limited to 'src/dotty/tools/dotc/core/Types.scala')
| -rw-r--r-- | src/dotty/tools/dotc/core/Types.scala | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/dotty/tools/dotc/core/Types.scala b/src/dotty/tools/dotc/core/Types.scala index 017b7cadc..d9228a5da 100644 --- a/src/dotty/tools/dotc/core/Types.scala +++ b/src/dotty/tools/dotc/core/Types.scala @@ -2451,6 +2451,13 @@ object Types { /** If this type and that type have the same variance, this variance, otherwise 0 */ final def commonVariance(that: TypeBounds): Int = (this.variance + that.variance) / 2 + override def equals(that: Any): Boolean = that match { + case that: TypeBounds => + (this.lo eq that.lo) && (this.hi eq that.hi) && this.variance == that.variance + case _ => + false + } + override def toString = if (lo eq hi) s"TypeAlias($lo)" else s"TypeBounds($lo, $hi)" |