Answer by Shepmaster for Does Rust have an equivalent to C++'s decltype() to...
No, Rust does not have the ability to get the type of an arbitrary expression. typeofis a reserved keyword to potentially allow it in the future:fn main() { let a: i32 = 42; let b: typeof(a) =...
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My code looks like:macro_rules! mask { ($bitmap: tt, [..$count: tt], for type = $ty: ty) => { { let bit_count = std::mem::size_of::<$ty>() * 8; let dec_bit_count = bit_count - 1; $bitmap &...
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