Matthew BookOwl
BookOwl
/ sequence.rs
Last active
June 29, 2017 13:35
— forked from anonymous/playground.rs
A hacky sequence macro for emulating C-style for loops
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| macro_rules! sequence { | |
| ($x:ident : $t:ty = $init:expr ; $cond:expr ; $change:expr) => {{ | |
| struct Sequence { | |
| val: $t, | |
| } | |
| impl Iterator for Sequence { | |
| type Item = $t; | |
| #[inline] |