66bdc70bf1
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.
37 lines
1.1 KiB
Plaintext
37 lines
1.1 KiB
Plaintext
// `!` on an error binding is the truthiness complement of `if e` (issue
|
|
// 0129). Pre-fix, `!` lowered as a bitwise not, so a nonzero error tag
|
|
// stayed nonzero and `if !e` held even on a SET error — with the success
|
|
// value read as garbage. Integer operands get the same `!x ≡ x == 0`
|
|
// semantics.
|
|
#import "modules/std.sx";
|
|
|
|
E :: error { Boom }
|
|
|
|
f :: (fail: bool) -> (i64, !E) {
|
|
if fail { raise error.Boom; }
|
|
return 42;
|
|
}
|
|
|
|
main :: () -> i32 {
|
|
// set error: `if e` holds, `if !e` must NOT
|
|
v, e := f(true);
|
|
took_e := false;
|
|
if e { took_e = true; }
|
|
if !e { print("BUG: !e held on a set error (v={})\n", v); return 1; }
|
|
if !took_e { print("BUG: if e did not hold on a set error\n"); return 2; }
|
|
|
|
// success: `if !e` holds and the value is real
|
|
v2, e2 := f(false);
|
|
if e2 { print("BUG: e2 set on success\n"); return 3; }
|
|
if !e2 { print("ok: !e2 on success, v2={}\n", v2); }
|
|
|
|
// integers: `!n` is `n == 0`, not a bit flip
|
|
n := 7;
|
|
if !n { print("BUG: !7 held\n"); return 4; }
|
|
z := 0;
|
|
if !z { print("ok: !0 holds\n"); }
|
|
|
|
print("done\n");
|
|
return 0;
|
|
}
|