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author | Jason Zaugg <jzaugg@gmail.com> | 2012-09-08 18:37:59 +0200 |
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committer | Jason Zaugg <jzaugg@gmail.com> | 2012-09-08 18:47:49 +0200 |
commit | c619f94a9cfbddc12c9c5df3affb4636f8982a0a (patch) | |
tree | 8f0b988c9ab4cdb10723118453a4bda76d753457 /README.rst | |
parent | 5b9b394d99bd7e4446e0f15475b34ec287d91685 (diff) | |
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SI-6331 Avoid typing an If tree with a constant type.
The fast path in typedIf added in 8552740b avoided lubbing the if/else branch types
if they are identical, but this fails to deconst the type. This could lead to the entire
if expression being replaced by a constant.
Also introduces a new tool in partest for nicer checkfiles.
// in Test.scala
trace(if (t) -0d else 0d)
// in Test.check
trace> if (Test.this.t)
-0.0
else
0.0
res: Double = -0.0
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