1: expect_known_value(stitch_neurons(test_neurons), file = "testdata/stitch_neurons_ref.rds") at /Users/jefferis/dev/R/elmr/tests/testthat/test-stitch_neuron.R:9
2: quasi_label(enquo(object), label)
3: eval_bare(get_expr(quo), get_env(quo))
4: stitch_neurons(test_neurons)
5: stitch_neuron(x[[1]], x[[2]]) at /Users/jefferis/dev/R/elmr/R/stitch_neuron.R:95
6: as.ngraph(ag + bg) at /Users/jefferis/dev/R/elmr/R/stitch_neuron.R:37
7: `+.igraph`(ag, bg)
8: union(e1, e2)
9: union.igraph(e1, e2)
10: .igraph.graph.union.or.intersection("union", ..., byname = byname, keep.all.vertices = TRUE)
11: lapply(graphs, function(g) {
       g <- g + setdiff(uninames, V(g)$name)
       permute(g, match(V(g)$name, uninames))
   })
12: FUN(X[[i]], ...)
13: `+.igraph`(g, setdiff(uninames, V(g)$name))
14: stop("Cannot add unknown type to igraph graph")