mod other { use typesafe_builders::prelude::*; #[derive(Builder)] pub struct Struct { #[builder(decay)] pub x: Option, #[builder(decay)] pub y: Option>, #[builder(decay)] pub z: Option<(T, S)>, #[builder(decay)] pub w: Box<[u8; 2]>, } } fn main() { other::Struct::::builder() .x(4) .y(Some(4.0)) .z((4, 4.0)) .w([4, 4]) .build(); }