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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 9b94ad4b4a4bff2bf2be7d77be2c6e1fd7683c4d)
last changed: 2026-09-23