void main() {
    import std.stdio;
    ubyte[] a = [10, 16, 32, 123];
    writefln("0x%(%02x%)", a); // Output: 0xa10207b
    static assert(is(typeof(a[0]) == ubyte), "Only ubyte[]");
    writefln("0x%(%x%)", a);   // Output: 0x0a10207b
}

I have pasted the outputs inverted, sorry.

Bye,
bearophile

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