@@abc

@@abc = 1

@@foo, @@bar = 1

@@foo = 1, 2

$abc = 1

$abc

@abc

@abc = 1

a

abc = 1

$foo, $bar = 1

$foo = 1, 2

@foo, @bar = 1

@foo = 1, 2

foo = 1; foo = 1, 2

foo = 1, 2

foo, * = 1, 2

foo, = 1, 2

foo, *bar = 1, 2

foo, (bar, baz) = 1, [2, 3]

foo = *bar

Foo = 1, 2

(a; b; c)

a, (b, c), d = []