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Diffstat (limited to 'src/docs/iter_next_loop.txt')
| -rw-r--r-- | src/docs/iter_next_loop.txt | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/src/docs/iter_next_loop.txt b/src/docs/iter_next_loop.txt deleted file mode 100644 index b33eb39d6e1..00000000000 --- a/src/docs/iter_next_loop.txt +++ /dev/null @@ -1,17 +0,0 @@ -### What it does -Checks for loops on `x.next()`. - -### Why is this bad? -`next()` returns either `Some(value)` if there was a -value, or `None` otherwise. The insidious thing is that `Option<_>` -implements `IntoIterator`, so that possibly one value will be iterated, -leading to some hard to find bugs. No one will want to write such code -[except to win an Underhanded Rust -Contest](https://www.reddit.com/r/rust/comments/3hb0wm/underhanded_rust_contest/cu5yuhr). - -### Example -``` -for x in y.next() { - .. -} -``` \ No newline at end of file |