Merge two contracts. — merge

Mirrors Julia's Contract |> Contract. left is treated as the earlier stage (upstream) and right as the later stage (downstream); expectations and element types are resolved accordingly and descriptions must match for overlapping axes / properties.

Usage

merge_contracts(left, right)

Arguments

left, right: Two Contract() objects to merge.

Value

A new Contract() combining left and right.

Examples

upstream <- Contract(
    axes = list(cell = list(RequiredInput, "per-cell axis")),
    data = list(contract_vector("cell", "donor",
        RequiredInput, "character", "donor id"))
)
downstream <- Contract(
    axes = list(cell = list(RequiredInput, "per-cell axis")),
    data = list(contract_vector("cell", "score",
        CreatedOutput, "numeric", "computed score"))
)
merged <- merge_contracts(upstream, downstream)
length(merged@data)
#> [1] 2