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Diffstat (limited to 'src/docs/default_numeric_fallback.txt')
| -rw-r--r-- | src/docs/default_numeric_fallback.txt | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/src/docs/default_numeric_fallback.txt b/src/docs/default_numeric_fallback.txt deleted file mode 100644 index 15076a0a68b..00000000000 --- a/src/docs/default_numeric_fallback.txt +++ /dev/null @@ -1,28 +0,0 @@ -### What it does -Checks for usage of unconstrained numeric literals which may cause default numeric fallback in type -inference. - -Default numeric fallback means that if numeric types have not yet been bound to concrete -types at the end of type inference, then integer type is bound to `i32`, and similarly -floating type is bound to `f64`. - -See [RFC0212](https://github.com/rust-lang/rfcs/blob/master/text/0212-restore-int-fallback.md) for more information about the fallback. - -### Why is this bad? -For those who are very careful about types, default numeric fallback -can be a pitfall that cause unexpected runtime behavior. - -### Known problems -This lint can only be allowed at the function level or above. - -### Example -``` -let i = 10; -let f = 1.23; -``` - -Use instead: -``` -let i = 10i32; -let f = 1.23f64; -``` \ No newline at end of file |
