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Merge pull request #112 from nahuakang/ex047-reference
Edit comment to specify `for reference`
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@ -85,7 +85,7 @@ pub fn main() void {
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while (aliens_alive > 0) {
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aliens_alive = 0;
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// Loop through every alien...
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// Loop through every alien by reference (* makes a pointer capture value)
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for (aliens) |*alien| {
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// *** Zap the alien with the heat ray here! ***
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