回答編集履歴
1
test
CHANGED
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@@ -5,7 +5,7 @@
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5
5
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fn main() {
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6
6
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struct Fact<'a> { f: &'a dyn Fn(&Fact, u32) -> u32 }
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7
7
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let fact = Fact {
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8
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-
f: &|fact, n| if n =
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8
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+
f: &|fact, n| if n <= 1 {1} else {n * (fact.f)(fact, n - 1)}
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9
9
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};
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10
10
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11
11
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println!("{}", (fact.f)(&fact, 10));
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