Function ostree_sys::ostree_repo_write_metadata

pub unsafe extern "C" fn ostree_repo_write_metadata(
    self_: *mut OstreeRepo, 
    objtype: OstreeObjectType, 
    expected_checksum: *const c_char, 
    object: *mut GVariant, 
    out_csum: *mut *mut [*mut u8; 32], 
    cancellable: *mut GCancellable, 
    error: *mut *mut GError
) -> gboolean