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Fix example in FFI tutorial. #4271

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Dec 23, 2012
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Fix example in FFI tutorial. #4271

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6 changes: 3 additions & 3 deletions doc/tutorial-ffi.md
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@ extern mod crypto {

fn as_hex(data: ~[u8]) -> ~str {
let mut acc = ~"";
for data.each |byte| { acc += fmt!("%02x", byte as uint); }
for data.each |&byte| { acc += fmt!("%02x", byte as uint); }
return acc;
}

Expand All @@ -33,8 +33,8 @@ fn sha1(data: ~str) -> ~str unsafe {
return as_hex(vec::from_buf(hash, 20));
}

fn main(args: ~[~str]) {
io::println(sha1(args[1]));
fn main() {
io::println(sha1(core::os::args()[1]));
}
~~~~

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