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sx/examples/protocols/0406-protocols-protocol-real-pointer-return.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 protocol method declared with a real pointer return (`-> *u8`,
// NOT `-> Self`) returns the raw pointer to the caller without the
// dispatch path auto-dereferencing it. Without this, a method whose
// pointee is a single byte gets `sizeof(target)` bytes loaded past
// it and segfaults.
#import "modules/std.sx";
Proto :: protocol {
get :: (self: *Self) -> *u8;
}
Impl :: struct {
val: u8 = 42;
}
impl Proto for Impl {
get :: (self: *Impl) -> *u8 {
@self.val
}
}
main :: () -> i32 {
imp : Impl = .{};
p : Proto = xx @imp;
raw : *u8 = p.get();
addr_word : u64 = xx raw;
print("got pointer: {}\n", addr_word != 0);
0
}