diff options
Diffstat (limited to 'doc/tutorial')
| -rw-r--r-- | doc/tutorial/ffi.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/tutorial/ffi.md b/doc/tutorial/ffi.md index 14ae3410ce5..cca3669f10d 100644 --- a/doc/tutorial/ffi.md +++ b/doc/tutorial/ffi.md @@ -183,7 +183,7 @@ microsecond-resolution timer. fn gettimeofday(tv: *timeval, tz: *()) -> i32; } fn unix_time_in_microseconds() -> u64 unsafe { - let x = {tv_sec: 0u32, tv_usec: 0u32}; + let x = {mutable tv_sec: 0u32, mutable tv_usec: 0u32}; libc::gettimeofday(std::ptr::addr_of(x), std::ptr::null()); ret (x.tv_sec as u64) * 1000_000_u64 + (x.tv_usec as u64); } |