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author | Martin Odersky <odersky@gmail.com> | 2015-01-27 15:13:23 +0100 |
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committer | Martin Odersky <odersky@gmail.com> | 2015-01-27 15:13:23 +0100 |
commit | a4937916037f74b414c9bab1819681ed2ecd7fdc (patch) | |
tree | 71cf57f98ad8a49096711614fa6ec2c858f8d614 /src/dotty/tools/dotc/core/OrderingConstraint.scala | |
parent | eb4d80891bcfaf9ffa402ea36f1562c5f597e479 (diff) | |
download | dotty-a4937916037f74b414c9bab1819681ed2ecd7fdc.tar.gz dotty-a4937916037f74b414c9bab1819681ed2ecd7fdc.tar.bz2 dotty-a4937916037f74b414c9bab1819681ed2ecd7fdc.zip |
Fixups taking into account reviewer's comments.
Diffstat (limited to 'src/dotty/tools/dotc/core/OrderingConstraint.scala')
-rw-r--r-- | src/dotty/tools/dotc/core/OrderingConstraint.scala | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/dotty/tools/dotc/core/OrderingConstraint.scala b/src/dotty/tools/dotc/core/OrderingConstraint.scala index ec2a65416..e265c0b98 100644 --- a/src/dotty/tools/dotc/core/OrderingConstraint.scala +++ b/src/dotty/tools/dotc/core/OrderingConstraint.scala @@ -14,10 +14,10 @@ import reflect.ClassTag object OrderingConstraint { - /** The type of `Constraint#boundsMap` */ + /** The type of `OrderingConstraint#boundsMap` */ type ParamBounds = SimpleMap[PolyType, Array[Type]] - /** The type of `Constraint#lowerMap`, `Constraint#upperMap` */ + /** The type of `OrderingConstraint#lowerMap`, `OrderingConstraint#upperMap` */ type ParamOrdering = SimpleMap[PolyType, Array[List[PolyParam]]] /** A new constraint with given maps */ @@ -117,10 +117,10 @@ import OrderingConstraint._ * * @param lowerMap a map from PolyTypes to arrays. Each array entry corresponds * to a parameter P of the polytype; it contains all constrained parameters - * Q that are known to be smaller than P, i.e. P <: Q. + * Q that are known to be smaller than P, i.e. Q <: P. * @param upperMap a map from PolyTypes to arrays. Each array entry corresponds * to a parameter P of the polytype; it contains all constrained parameters - * Q that are known to be greater than P, i.e. Q <: P. + * Q that are known to be greater than P, i.e. P <: Q. */ class OrderingConstraint(private val boundsMap: ParamBounds, private val lowerMap : ParamOrdering, @@ -272,8 +272,8 @@ class OrderingConstraint(private val boundsMap: ParamBounds, // ---------- Updates ------------------------------------------------------------ - /** An updated partial order matrix that incorporates `less` and also reflects that `param` relates - * to `p2` wrt <:< if `inOrder` is true, `>:>` otherwise. + /** Add the fact `param1 <: param2` to the constraint `current` and propagate + * `<:<` relationships between parameters ("edges") but not bounds. */ private def order(current: This, param1: PolyParam, param2: PolyParam)(implicit ctx: Context): This = if (param1 == param2 || current.isLess(param1, param2)) this |