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Add iter_kv_map lint
[rust.git] / src / docs / unreadable_literal.txt
1 ### What it does
2 Warns if a long integral or floating-point constant does
3 not contain underscores.
4
5 ### Why is this bad?
6 Reading long numbers is difficult without separators.
7
8 ### Example
9 ```
10 61864918973511
11 ```
12
13 Use instead:
14 ```
15 61_864_918_973_511
16 ```