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Function std.variant.VariantN.opIndex
Array and associative array operations. If a VariantN contains an (associative) array, it can be indexed
into. Otherwise, an exception is thrown.
Example
Variant a = new int[10];
a[5] = 42;
writeln(a[5]); // 42
a[5] += 8;
writeln(a[5]); // 50
int[int] hash = [ 42:24 ];
a = hash;
writeln(a[42]); // 24
a[42] /= 2;
writeln(a[42]); // 12
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