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sx/examples/types/0122-types-flags.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.
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#import "modules/std.sx";
#import "modules/math";
#import "modules/build.sx";
#import "modules/std/test.sx";
pkg :: #import "tests/fixtures/testpkg";
Perms :: enum flags { read; write; execute; }
WindowFlags :: enum flags u32 { vsync :: 64; resizable :: 4; hidden :: 128; }
// --- Top-level functions ---
main :: () {
// ========================================================
// 9. FLAGS
// ========================================================
print("=== 9. Flags ===\n");
// Combine flags
perm : Perms = .read | .write;
print("flags: {}\n", perm);
// Test flag
if perm & .read { print("has-read: yes\n"); }
if perm & .execute { print("has-exec: yes\n"); }
// Test flag negative
pt : Perms = .write;
if pt & .read {
print("flags-neg: has-read\n");
} else {
print("flags-neg: no-read\n");
}
// Single flag
ps : Perms = .execute;
print("flags-single: {}\n", ps);
// All flags
pall : Perms = .read | .write | .execute;
print("flags-all: {}\n", pall);
// Cast to int
print("flags-raw: {}\n", cast(i64) perm);
// Flags with explicit values
wf : WindowFlags = .vsync | .resizable;
print("flags-explicit: {}\n", wf);
print("flags-explicit-raw: {}\n", cast(i64) wf);
// --- Multi-target assignment (swap) ---
print("--- swap ---\n");
// Variable swap
{
sa := 10;
sb := 20;
sa, sb = sb, sa;
print("var swap: {} {}\n", sa, sb);
}
// Array element swap
{
sarr : [3]i64 = .[1, 2, 3];
sarr[0], sarr[2] = sarr[2], sarr[0];
print("arr swap: {} {}\n", sarr[0], sarr[2]);
}
// 3-way rotation
{
ra := 1;
rb := 2;
rc := 3;
ra, rb, rc = rc, ra, rb;
print("3-way: {} {} {}\n", ra, rb, rc);
}
// --- Tuple destructuring ---
print("--- destructure ---\n");
// Basic tuple destructuring
{
da, db := (10, 20);
print("basic: {} {}\n", da, db);
}
// Destructure from function return
{
dswap :: (a: i64, b: i64) -> (i64, i64) { (b, a) }
dx, dy := dswap(1, 2);
print("fn: {} {}\n", dx, dy);
}
// Discard with _
{
_, dsecond := (100, 200);
print("discard: {}\n", dsecond);
}
// Three elements
{
da3, db3, dc3 := (1, 2, 3);
print("triple: {} {} {}\n", da3, db3, dc3);
}
}