mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-24 13:43:17 +00:00
66 lines
2.1 KiB
Rust
66 lines
2.1 KiB
Rust
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#![feature(plugin)]
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#![plugin(clippy)]
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#[deny(assign_ops)]
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#[allow(unused_assignments)]
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fn main() {
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let mut i = 1i32;
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i += 2; //~ ERROR assign operation detected
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//~^ HELP replace it with
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//~| SUGGESTION i = i + 2
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i -= 6; //~ ERROR assign operation detected
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//~^ HELP replace it with
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//~| SUGGESTION i = i - 6
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i *= 5; //~ ERROR assign operation detected
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//~^ HELP replace it with
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//~| SUGGESTION i = i * 5
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i /= 32; //~ ERROR assign operation detected
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//~^ HELP replace it with
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//~| SUGGESTION i = i / 32
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i %= 42; //~ ERROR assign operation detected
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//~^ HELP replace it with
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//~| SUGGESTION i = i % 42
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i >>= i; //~ ERROR assign operation detected
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//~^ HELP replace it with
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//~| SUGGESTION i = i >> i
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i <<= 9 + 6 - 7; //~ ERROR assign operation detected
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//~^ HELP replace it with
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//~| SUGGESTION i = i << (9 + 6 - 7)
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}
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#[allow(dead_code, unused_assignments)]
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#[deny(assign_op_pattern)]
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fn bla() {
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let mut a = 5;
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a = a + 1; //~ ERROR manual implementation of an assign operation
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//~^ HELP replace it with
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//~| SUGGESTION a += 1
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a = 1 + a; //~ ERROR manual implementation of an assign operation
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//~^ HELP replace it with
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//~| SUGGESTION a += 1
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a = a - 1; //~ ERROR manual implementation of an assign operation
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//~^ HELP replace it with
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//~| SUGGESTION a -= 1
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a = a * 99; //~ ERROR manual implementation of an assign operation
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//~^ HELP replace it with
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//~| SUGGESTION a *= 99
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a = 42 * a; //~ ERROR manual implementation of an assign operation
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//~^ HELP replace it with
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//~| SUGGESTION a *= 42
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a = a / 2; //~ ERROR manual implementation of an assign operation
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//~^ HELP replace it with
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//~| SUGGESTION a /= 2
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a = a % 5; //~ ERROR manual implementation of an assign operation
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//~^ HELP replace it with
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//~| SUGGESTION a %= 5
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a = a & 1; //~ ERROR manual implementation of an assign operation
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//~^ HELP replace it with
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//~| SUGGESTION a &= 1
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a = 1 - a;
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a = 5 / a;
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a = 42 % a;
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a = 6 << a;
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let mut s = String::new();
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s = s + "bla";
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}
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