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sx/examples/diagnostics/1135-diagnostics-value-param-alias-constraint-overflow.sx
agra 66bdc70bf1 test: group examples into per-category folders
Move examples/*.sx and their expected/ snapshots into per-category
subfolders (examples/<category>/...). Folder = leading filename token,
with ffi-objc/ffi-jni kept whole; filenames are unchanged. The corpus
runner and LSP sweep now discover each category's expected/ dir, while
issues/ stays flat. Example 1058's repo-root-relative companion import
is made file-relative. Path strings embedded in 164 snapshots were
regenerated (path-only changes). Test-layout docs in CLAUDE.md updated.
2026-06-21 14:41:34 +03:00

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// A generic value-param arg that does not fit the param's declared integer type
// is a hard error even when that type is reached through a type ALIAS
// (`$K: Count` where `Count :: u32`, `$K: Small` where `Small :: i8`) — a clean
// diagnostic + non-zero exit, NOT a silent truncating bind.
//
// Regression (issue 0083): the value-param range gate matched only BUILTIN
// constraint names, so an aliased constraint slipped past `intTypeRange` and
// `Box(5_000_000_000)` with `$K: Count` compiled and bound a truncated value.
// The constraint now resolves to its underlying builtin (`Count` → u32,
// `Small` → i8) before range-checking, so an aliased integer constraint behaves
// exactly like the builtin it names — at both the struct and type-fn binders.
#import "modules/std.sx";
Count :: u32;
Small :: i8;
Box :: struct ($K: Count) { value: i64; }
Tiny :: struct ($K: Small) { value: i64; }
main :: () {
b : Box(5000000000) = ---;
t : Tiny(300) = ---;
print("unreachable {} {}\n", b.value, t.value);
}