Make generated code from empty services compile #5
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Baccata
commented
Dec 23, 2021
| s"case ${op.name}() => ((), ${op.name})" | ||
| if (ops.isEmpty) { | ||
| line( | ||
| s"""def endpoint[I, E, O, SI, SO](op : $opTraitName[I, E, O, SI, SO]) = sys.error("impossible")""" |
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Because the sealed trait is unpopulated, it is effectively a phantom type, therefore it is literally impossible under normal circumstances (unless runtime reflection is involved, or black magic) for this method to be called.
kubukoz
approved these changes
Dec 23, 2021
Baccata
added a commit
that referenced
this pull request
May 10, 2022
…m-erroring Make generated code from empty services compile
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Fixes #3