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author | Martin Odersky <odersky@gmail.com> | 2013-11-28 14:24:11 +0100 |
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committer | Martin Odersky <odersky@gmail.com> | 2013-11-28 14:41:21 +0100 |
commit | 76f07f7a5e03ac685270c7af4aa736ca84a00f1f (patch) | |
tree | 7f59a4ed0d26792070c3d0b1e9c3f257e4b023e3 /src/dotty/tools/dotc/util | |
parent | c39c2af036e9e69fc339b805a0869126efadae0f (diff) | |
download | dotty-76f07f7a5e03ac685270c7af4aa736ca84a00f1f.tar.gz dotty-76f07f7a5e03ac685270c7af4aa736ca84a00f1f.tar.bz2 dotty-76f07f7a5e03ac685270c7af4aa736ca84a00f1f.zip |
Hoisting out commonly used values into util.common
... because this cuts down on object creations. Also, some polishings in Denotations.
Diffstat (limited to 'src/dotty/tools/dotc/util')
-rw-r--r-- | src/dotty/tools/dotc/util/common.scala | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/dotty/tools/dotc/util/common.scala b/src/dotty/tools/dotc/util/common.scala new file mode 100644 index 000000000..5f133b079 --- /dev/null +++ b/src/dotty/tools/dotc/util/common.scala @@ -0,0 +1,16 @@ +package dotty.tools.dotc +package util + +import core.Names.Name +import core.Types.WildcardType + +/** Common values hoisted out for performance */ +object common { + + val emptyDNF = (Nil, Set[Name]()) :: Nil + + val alwaysTrue = Function.const(true) _ + val alwaysZero = Function.const(0) _ + val alwaysWildcardType = Function.const(WildcardType) _ + +}
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