Nothing
.edgeApply <- function(g, f, dupls=TRUE, simplify=TRUE) {
if (class(g)[1] == "graphNEL")
M <- adjacencyMatrix(g)
else
M <- g
cond <- (M == 1)
if (!dupls)
cond <- cond & upper.tri(M, TRUE)
edges <- which(cond, TRUE)
mapply(f, edges[, "row"], edges[, "col"], SIMPLIFY=simplify)
}
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