diff options
Diffstat (limited to 'doc/tutorial')
| -rw-r--r-- | doc/tutorial/intro.md | 8 | ||||
| -rw-r--r-- | doc/tutorial/syntax.md | 4 |
2 files changed, 6 insertions, 6 deletions
diff --git a/doc/tutorial/intro.md b/doc/tutorial/intro.md index 7f59fa861f8..d0b08a73c73 100644 --- a/doc/tutorial/intro.md +++ b/doc/tutorial/intro.md @@ -27,10 +27,10 @@ a language can be made easier if the notation looks familiar. Rust is a curly-brace language in the tradition of C, C++, and JavaScript. fn fac(n: int) -> int { - let result = 1; - while n > 0 { - result *= n; - n -= 1; + let result = 1, i = 1; + while i <= n { + result *= i; + i += 1; } ret result; } diff --git a/doc/tutorial/syntax.md b/doc/tutorial/syntax.md index d0bbf934f45..a3befca02d5 100644 --- a/doc/tutorial/syntax.md +++ b/doc/tutorial/syntax.md @@ -329,7 +329,7 @@ The compiler defines a few built-in syntax extensions. The most useful one is `#fmt`, a printf-style text formatting macro that is expanded at compile time. - std::io::writeln(#fmt("%s is %d", "the answer", 42)); + std::io::println(#fmt("%s is %d", "the answer", 42)); `#fmt` supports most of the directives that [printf][pf] supports, but will give you a compile-time error when the types of the directives @@ -341,4 +341,4 @@ All syntax extensions look like `#word`. Another built-in one is `#env`, which will look up its argument as an environment variable at compile-time. - std::io::writeln(#env("PATH")); + std::io::println(#env("PATH")); |