Vector.len2

Undocumented in source. Be warned that the author may not have intended to support it.
struct Vector(size_t N, T, alias string AS = "")
pure const @property
static if(is(typeof(dot(selftype.init, selftype.init))))
len2
()
if (
isCompatibleArrayAccessString(N, AS, SEP) ||
AS.length == 0
)

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