macro_rules! lm { ($($a:ident $(:$t:ty)? = $b:expr);* $(;)?) => { ... }; }
Abbr. of let mut
let mut
use aoko::lm; lm!(foo = 233; bar: u16 = 1024;); foo = 666; bar = 2048; assert_eq!((666, 2048), (foo, bar));