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fix warnings about trivial casts, mostly {i,u}128 -> {i,u}128, such as "i128::min_value() as i128"

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This commit is contained in:
Matthias Krüger 2018-09-06 15:57:32 +02:00
parent e8400061bd
commit 28424ecbfa
3 changed files with 4 additions and 4 deletions
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2
clippy_lints/src/consts.rs
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@ -206,7 +206,7 @@ pub fn expr(&mut self, e: &Expr) -> Option<Constant> {
ty::Array(_, n) => n.assert_usize(self.tcx).expect("array length"),
_ => span_bug!(e.span, "typeck error"),
};
self.expr(value).map(|v| Constant::Repeat(Box::new(v), n as u64))
self.expr(value).map(|v| Constant::Repeat(Box::new(v), n))
},
ExprKind::Unary(op, ref operand) => self.expr(operand).and_then(|o| match op {
UnNot => self.constant_not(&o, self.tables.expr_ty(e)),

2
clippy_lints/src/lib.rs
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@ -9,7 +9,7 @@
#![recursion_limit = "256"]
#![feature(macro_at_most_once_rep)]
#![feature(tool_lints)]
#![warn(rust_2018_idioms)]
#![warn(rust_2018_idioms, trivial_casts, trivial_numeric_casts)]
#![feature(crate_visibility_modifier)]
use toml;

4
clippy_lints/src/types.rs
View File

@ -1588,7 +1588,7 @@ fn numeric_cast_precast_bounds<'a>(cx: &LateContext<'_, '_>, expr: &'a Expr) ->
FullInt::S(i128::from(i64::min_value())),
FullInt::S(i128::from(i64::max_value())),
),
IntTy::I128 => (FullInt::S(i128::min_value() as i128), FullInt::S(i128::max_value() as i128)),
IntTy::I128 => (FullInt::S(i128::min_value()), FullInt::S(i128::max_value())),
IntTy::Isize => (FullInt::S(isize::min_value() as i128), FullInt::S(isize::max_value() as i128)),
}),
ty::Uint(uint_ty) => Some(match uint_ty {
@ -1605,7 +1605,7 @@ fn numeric_cast_precast_bounds<'a>(cx: &LateContext<'_, '_>, expr: &'a Expr) ->
FullInt::U(u128::from(u64::min_value())),
FullInt::U(u128::from(u64::max_value())),
),
UintTy::U128 => (FullInt::U(u128::min_value() as u128), FullInt::U(u128::max_value() as u128)),
UintTy::U128 => (FullInt::U(u128::min_value()), FullInt::U(u128::max_value())),
UintTy::Usize => (FullInt::U(usize::min_value() as u128), FullInt::U(usize::max_value() as u128)),
}),
_ => None,