feat: support mutable metadata slice borrowing

2026-11-01 23:26:34 +01:00
parent 2a4efd0b7f
commit a74dd2e960
6 changed files with 939 additions and 59 deletions
@@ -1318,6 +1318,7 @@ readonly_type_slices_recompile_owned_private_nominal_payloads test {
            `    saved :: $(lib.make())
            `    if (lib.Box(saved) != lib.Box(lib.make())) return bool
            `    if (lib.Box(saved) != lib.Box(lib.literal())) return bool
+            `    if (lib.Box(saved) != lib.Box(lib.borrowed())) return bool
            `    Selected :: lib.types()[0]
            `    if (Selected == Child or saved[0].child != Selected) return bool
            `    return lib.Box(saved)
@@ -1357,6 +1358,16 @@ readonly_type_slices_recompile_owned_private_nominal_payloads test {
            `    ]
            `    return saved
            `}
+            `fill proc(values []mut Config) void {
+            `    for values |_, index| { values[index] = { child = Child, count = 2 } }
+            `}
+            `borrowed proc() []Config {
+            `    rows [2]mut Config := undefined
+            `    view :: rows[..]
+            `    fill(view)
+            `    defer view[0].child = bool
+            `    return view
+            `}
            `Box proc(input []Config) type {
            `    return struct { values [input[0].count]input[0].child, bias i16 = i16(input[1].count) }
            `}