Created
November 22, 2021 23:53
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iter! Macro
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| use std::iter::{empty, once}; | |
| macro_rules! iter { | |
| () => {empty()}; | |
| ($first:expr $(, $($rest:expr),*)?) => { | |
| once($first).chain(iter![$($($rest),*)?]) | |
| } | |
| } |
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