Resolve source stage from the immediately preceding stage

Alias for from_previous() used by the rewritten stage-verb API.

Usage

previous_stage()

Value

Sentinel object to be resolved by transition wiring.

Examples

teams <- paste("Team", LETTERS[1:8])

# Implicit: defaults to previous_stage()
trn <- tournament(teams) |>
  swiss("open", rounds = 3) |>
  single_elim("playoffs", take = top_n(4))

# Explicit: useful for branching
trn <- tournament(teams) |>
  round_robin("groups") |>
  single_elim("finals", from = previous_stage(), take = top_n(2))