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sx/examples/closures/0301-closures-fn-pointers.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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#import "modules/std.sx";
add :: (a: i32, b: i32) -> i32 { a + b }
mul :: (a: i32, b: i32) -> i32 { a * b }
apply :: (f: (i32, i32) -> i32, x: i32, y: i32) -> i32 {
f(x, y)
}
main :: () {
// Store function in variable
fp : (i32, i32) -> i32 = add;
print("fp(3,4) = {}\n", fp(3, 4));
// Reassign to different function
fp = mul;
print("fp(3,4) = {}\n", fp(3, 4));
// Pass function pointer as argument
print("apply(add,5,6) = {}\n", apply(add, 5, 6));
print("apply(mul,5,6) = {}\n", apply(mul, 5, 6));
}
// ** stdout **
//fp(3,4) = 7
//fp(3,4) = 12
//apply(add,5,6) = 11
//apply(mul,5,6) = 30