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Allow invalid upcast comparisons

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This commit is contained in:
Manish Goregaokar 2016-05-16 22:39:16 +05:30
parent 4c4b1af03c
commit f2f5fefd00
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3 changed files with 4 additions and 4 deletions
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2
README.md
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@ -75,7 +75,7 @@ name
[inline_always](https://github.com/Manishearth/rust-clippy/wiki#inline_always) | warn | `#[inline(always)]` is a bad idea in most cases
[integer_arithmetic](https://github.com/Manishearth/rust-clippy/wiki#integer_arithmetic) | allow | Any integer arithmetic statement
[invalid_regex](https://github.com/Manishearth/rust-clippy/wiki#invalid_regex) | deny | finds invalid regular expressions in `Regex::new(_)` invocations
[invalid_upcast_comparisons](https://github.com/Manishearth/rust-clippy/wiki#invalid_upcast_comparisons) | warn | a comparison involving an upcast which is always true or false
[invalid_upcast_comparisons](https://github.com/Manishearth/rust-clippy/wiki#invalid_upcast_comparisons) | allow | a comparison involving an upcast which is always true or false
[items_after_statements](https://github.com/Manishearth/rust-clippy/wiki#items_after_statements) | allow | finds blocks where an item comes after a statement
[iter_next_loop](https://github.com/Manishearth/rust-clippy/wiki#iter_next_loop) | warn | for-looping over `_.next()` which is probably not intended
[len_without_is_empty](https://github.com/Manishearth/rust-clippy/wiki#len_without_is_empty) | warn | traits and impls that have `.len()` but not `.is_empty()`

2
src/lib.rs
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@ -427,6 +427,7 @@ pub fn plugin_registrar(reg: &mut Registry) {
types::CAST_POSSIBLE_WRAP,
types::CAST_PRECISION_LOSS,
types::CAST_SIGN_LOSS,
types::INVALID_UPCAST_COMPARISONS,
unicode::NON_ASCII_LITERAL,
unicode::UNICODE_NOT_NFC,
]);
@ -543,7 +544,6 @@ pub fn plugin_registrar(reg: &mut Registry) {
types::ABSURD_EXTREME_COMPARISONS,
types::BOX_VEC,
types::CHAR_LIT_AS_U8,
types::INVALID_UPCAST_COMPARISONS,
types::LET_UNIT_VALUE,
types::LINKEDLIST,
types::TYPE_COMPLEXITY,

4
src/types.rs
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@ -777,11 +777,11 @@ impl LateLintPass for AbsurdExtremeComparisons {
///
/// **Why is this bad?** An expression like `let x : u8 = ...; (x as u32) > 300` will mistakenly imply that it is possible for `x` to be outside the range of `u8`.
///
/// **Known problems:** None
/// **Known problems:** https://github.com/Manishearth/rust-clippy/issues/886
///
/// **Example:** `let x : u8 = ...; (x as u32) > 300`
declare_lint! {
pub INVALID_UPCAST_COMPARISONS, Warn,
pub INVALID_UPCAST_COMPARISONS, Allow,
"a comparison involving an upcast which is always true or false"
}