PSA: you can destructure in func arguments

\tv.iter().map(|Shader { program, .. }| program);

^ this is valid. it works on Self too.

\tfn exp_malus(Self { nature, heritage, levels, .. }: &Self) -> f32 {

i have just though that this would be a great feature and turns out it's already there. Should be explained in handbook honestly.

Do you know any little know rust features?