Function extract_rust

tests/test_rust_lsp.c:26–29

/* ── Helpers ───────────────────────────────────────────────────── */

static CBMFileResult *extract_rust(const char *source) {
    return cbm_extract_file(source, (int)strlen(source), CBM_LANG_RUST,
                            "test", "src/main.rs", 0, NULL, NULL);
}

static int find_resolved(const CBMFileResult *r, const char *callerSub,
                         const char *calleeSub) {