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Fix example code for unreachable!

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The previous code was giving an incorrect result (not x/3).
This commit is contained in:
olivren 2014-11-27 15:25:29 +01:00
parent 82fc1aa875
commit f01cbaa0ba
1 changed files with 4 additions and 5 deletions
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9
src/libstd/macros.rs
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@ -217,12 +217,11 @@ macro_rules! debug_assert_eq(
/// Iterators:
///
/// ```rust
/// fn divide_by_three(x: i32) -> i32 { // one of the poorest implementations of x/3
/// for i in std::iter::count(0_i32, 1) {
/// if i < 0 { panic!("i32 overflow"); }
/// if x < 3*i { return i; }
/// fn divide_by_three(x: u32) -> u32 { // one of the poorest implementations of x/3
/// for i in std::iter::count(0_u32, 1) {
/// if 3*i < i { panic!("u32 overflow"); }
/// if x < 3*i { return i-1; }
/// }
///
/// unreachable!();
/// }
/// ```