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Fix example.

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This commit is contained in:
Eric J. Holmes 2012-12-22 23:58:27 -08:00
parent 3ee1d3ebb8
commit 0100b02b3a
1 changed files with 3 additions and 3 deletions
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6
doc/tutorial-ffi.md
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@ -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;
}
@ -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]));
}
~~~~