// Const aggregates fold at compile time: an array const's `.len` and // `K[]` element reads, and a struct const's field (`LIT.r`), // are compile-time integer leaves — usable in array dimensions and in // other constants' initializer expressions, source-aware like every // const fold. #import "modules/std.sx"; Color :: struct { r, g, b: i64; } K : [4]i64 : .[11, 22, 33, 44]; LIT :: Color.{ r = 5, g = 0, b = 0 }; N :: K[0] + K[3]; L :: K.len; R :: LIT.r; main :: () { a : [K.len]u8 = ---; b : [K[1]]u8 = ---; c : [LIT.r]u8 = ---; print("N={} L={} R={}\n", N, L, R); print("dims={} {} {}\n", a.len, b.len, c.len); }