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err

outcome.err

error of an outcome that is known to contain an error

This can only be called in cases where it is known for sure that this
outcome is an error. A runtime error will be created otherwise.
Precondition
pre
  safety: !outcome.this
0.099dev (GIT hash a68bce9af280552faedee34cd5433dc10b6454de)
last changed: 2026-10-14