Files
sx/examples/0803-memory-push-context-with-arena.sx
agra 59f0aa7716 std: restructure — std/ modules, namespace tail, std/xml.sx
allocators/fs/process/socket/log/trace/test move under modules/std/
(allocators.sx becomes std/mem.sx; the Allocator protocol moves into
the std.sx prelude, impls stay in mem.sx). New std/xml.sx holds
xml_escape as xml.escape. std.sx gains the carried namespace tail —
flat-importing std.sx now also provides mem./xml./log. — with the
remaining modules (fs/process/socket/json/cli/hash/test) deferred from
the tail until the global last-wins maps are fully own-wins (pulling
them into every closure collides bare names corpus-wide; they stay
direct imports: modules/std/fs.sx etc.). log.sx's internal emit
renamed log_emit (it clobbered consumer fns named emit program-wide).
bundle.sx uses xml.escape via the carried alias. Consumer import paths
swept mechanically; .ir snapshots recaptured for the larger std
closure. m3te + game build unchanged.
2026-06-11 06:10:59 +03:00

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// `push <Context>` where Context's first field is an `#inline` protocol
// (`allocator: Allocator`) and the value being pushed is an `Arena` upcast to
// that protocol. Exercises save/restore of the boxed context across the push.
#import "modules/std.sx";
#import "modules/std/mem.sx";
main :: () -> void {
arena := Arena.init(context.allocator, 4096);
new_ctx := Context.{ allocator = xx arena, data = context.data };
push new_ctx {
ptr := context.allocator.alloc(128);
out("inside push\n");
}
out("after push\n");
}