implementation none for std::Entity:

end

entity Host:
    string name
    string blurp
end

entity File:
    string name
end

implement Host using none
implement File using none

Host host [1] -- [0:] File files

index Host(name)
index File(host, name)

h1 = Host(name="h1", blurp="blurp1")
h1a1 = Host(name="h1", blurp="blurp1")


h2 = Host(name="h2", blurp="blurp1")
h2a1 = Host(name="h2", blurp="blurp1")


f1h1=File(host=h1,name="f1")
f1h1a1=File(host=h1a1,name="f1")
f1h1a2=File[host=h1,name="f1"]

f1h2=File(host=h2,name="f1")
f1h2a1=File(host=h2a1,name="f1")
f1h2a2=File[host=h2,name="f1"]

f2h1=File(host=h1,name="f2")
f2h1a1=File(host=h1a1,name="f2")
f2h1a2=File[host=h1,name="f2"]

