```
# NOT RUN {
## The simple generator
g <- sample_degseq(rep(2,100))
degree(g)
is_simple(g) # sometimes TRUE, but can be FALSE
g2 <- sample_degseq(1:10, 10:1)
degree(g2, mode="out")
degree(g2, mode="in")
## The vl generator
g3 <- sample_degseq(rep(2,100), method="vl")
degree(g3)
is_simple(g3) # always TRUE
## Exponential degree distribution
## Note, that we correct the degree sequence if its sum is odd
degs <- sample(1:100, 100, replace=TRUE, prob=exp(-0.5*(1:100)))
if (sum(degs) %% 2 != 0) { degs[1] <- degs[1] + 1 }
g4 <- sample_degseq(degs, method="vl")
all(degree(g4) == degs)
## Power-law degree distribution
## Note, that we correct the degree sequence if its sum is odd
degs <- sample(1:100, 100, replace=TRUE, prob=(1:100)^-2)
if (sum(degs) %% 2 != 0) { degs[1] <- degs[1] + 1 }
g5 <- sample_degseq(degs, method="vl")
all(degree(g5) == degs)
# }
```

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