// A NON-integral float constant (`4.5`) used as an array dimension is a hard // error — only an integral float (`4.0`) folds to a count. Clean diagnostic + // non-zero exit, NOT a fabricated length. // // The dimension follows the unified float→int narrowing rule (F0.11 / issue // 0095): an integral float folds, a non-integral one is rejected as "not an // integer" — the SAME `floatToIntExact` judgement the typed local/field/param/ // const sites use (the count path is the last of the five sites to unify). // // Regression (F0.4 attempt 8, Agra ruling): the integral-float rule accepts // `4.0` as a dimension but must keep rejecting `4.5` (it is not an integer). #import "modules/std.sx"; N : f64 : 4.5; main :: () { a : [N]i64 = ---; print("unreachable: {}\n", a.len); }