is_igraph {igraph}

Is this object an igraph graph?

Description

Is this object an igraph graph?

Usage

is_igraph(graph)

Arguments

graph

An R object.

Value

A logical constant, TRUE if argument graph is a graph object.

Author(s)

Gabor Csardi [e-mail]

Examples

g <- make_ring(10)
is_igraph(g)
is_igraph(numeric(10))