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Fix the feature masks in the approx_sqrt doc example 

The hidden "mod test" layout of the first example has been broken for a
while, but it wasn't noticed because rustdoc wasn't passing any features
at all.  That was fixed in rust-lang/rust#30372, and now we need to get
our ducks in a row too.
This commit is contained in:
Josh Stone 2015-12-21 12:21:47 -08:00
parent 477cbc87c9
commit 2e3e575117
1 changed files with 4 additions and 2 deletions
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6
src/lib.rs
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@ -22,12 +22,13 @@
//! ``` //! ```
//! extern crate num; //! extern crate num;
//! # #[cfg(all(feature = "bigint", feature="rational"))] //! # #[cfg(all(feature = "bigint", feature="rational"))]
//! # pub mod test { //! # mod test {
//! //!
//! use num::FromPrimitive; //! use num::FromPrimitive;
//! use num::bigint::BigInt; //! use num::bigint::BigInt;
//! use num::rational::{Ratio, BigRational}; //! use num::rational::{Ratio, BigRational};
//! //!
//! # pub
//! fn approx_sqrt(number: u64, iterations: usize) -> BigRational { //! fn approx_sqrt(number: u64, iterations: usize) -> BigRational {
//! let start: Ratio<BigInt> = Ratio::from_integer(FromPrimitive::from_u64(number).unwrap()); //! let start: Ratio<BigInt> = Ratio::from_integer(FromPrimitive::from_u64(number).unwrap());
//! let mut approx = start.clone(); //! let mut approx = start.clone();
@ -41,7 +42,8 @@
//! } //! }
//! # } //! # }
//! # #[cfg(not(all(feature = "bigint", feature="rational")))] //! # #[cfg(not(all(feature = "bigint", feature="rational")))]
//! # fn approx_sqrt(n: u64, _: usize) -> u64 { n } //! # mod test { pub fn approx_sqrt(n: u64, _: usize) -> u64 { n } }
//! # use test::approx_sqrt;
//! //!
//! fn main() { //! fn main() {
//! println!("{}", approx_sqrt(10, 4)); // prints 4057691201/1283082416 //! println!("{}", approx_sqrt(10, 4)); // prints 4057691201/1283082416