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27 lines
751 B
Plaintext
27 lines
751 B
Plaintext
type FixedVec<T: Type, static N: usize> {
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len: usize = 0,
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items: [N]T,
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fn init(items: [N]T) -> Self {
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return FixedVec { items: items }
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}
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fn push(self: mutref<Self>, value: T) -> Void raises [Full] {
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if self.len == N {
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raise Full
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}
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self.items[self.len] = value
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self.len = self.len + 1
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}
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fn get(self: ref<Self>, index: usize) -> Maybe<T> {
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return std.mem.get(self.items, index)
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}
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}
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pub fn main(world: World) -> Void raises {
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var vec: FixedVec<u8, 4> = FixedVec.init<u8, 4>([0, 0, 0, 0])
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check vec.push(42)
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let first: Maybe<u8> = vec.get(0)
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if first.has && first.value == 42 {
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check world.out.write("constructors defaults ok\n")
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}
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}
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