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// vec4 is a primitive type
@(1,2,3,4) => vec4 a;
// declare another
@(5,6,7,8) => vec4 b;
// add them
a + b => vec4 sum;
// difference
a - b => vec4 diff;
// cross product (ignores w component)
a * b => vec4 c;
// another way to do cross product (ignores w component)
a.cross(b) => vec4 cross;
// dot product (function)
a.dot(b) => float dot;
// print sum!
<<< "sum:", sum >>>;
// print difference
<<< "diff:", diff >>>;
// print cross product
<<< "cross product:", c >>>;
// print dot product
<<< "dot product:", dot >>>;
// array
[ a, b, c ] @=> vec4 group[];
// print them
<<< group[0], group[1], group[2] >>>;
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