mirror of
https://github.com/rust-lang/rust-clippy
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111 lines
3.7 KiB
Text
111 lines
3.7 KiB
Text
error: binary comparison to literal `Option::None`
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--> tests/ui/partialeq_to_none.rs:14:8
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LL | if f != None { "yay" } else { "nay" }
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| ^^^^^^^^^ help: use `Option::is_some()` instead: `f.is_some()`
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= note: `-D clippy::partialeq-to-none` implied by `-D warnings`
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= help: to override `-D warnings` add `#[allow(clippy::partialeq_to_none)]`
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error: binary comparison to literal `Option::None`
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--> tests/ui/partialeq_to_none.rs:44:13
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LL | let _ = x == None;
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| ^^^^^^^^^ help: use `Option::is_none()` instead: `x.is_none()`
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error: binary comparison to literal `Option::None`
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--> tests/ui/partialeq_to_none.rs:45:13
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LL | let _ = x != None;
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| ^^^^^^^^^ help: use `Option::is_some()` instead: `x.is_some()`
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error: binary comparison to literal `Option::None`
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--> tests/ui/partialeq_to_none.rs:46:13
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LL | let _ = None == x;
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| ^^^^^^^^^ help: use `Option::is_none()` instead: `x.is_none()`
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error: binary comparison to literal `Option::None`
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--> tests/ui/partialeq_to_none.rs:47:13
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LL | let _ = None != x;
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| ^^^^^^^^^ help: use `Option::is_some()` instead: `x.is_some()`
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error: binary comparison to literal `Option::None`
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--> tests/ui/partialeq_to_none.rs:49:8
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LL | if foobar() == None {}
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| ^^^^^^^^^^^^^^^^ help: use `Option::is_none()` instead: `foobar().is_none()`
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error: binary comparison to literal `Option::None`
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--> tests/ui/partialeq_to_none.rs:51:8
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LL | if bar().ok() != None {}
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| ^^^^^^^^^^^^^^^^^^ help: use `Option::is_some()` instead: `bar().ok().is_some()`
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error: binary comparison to literal `Option::None`
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--> tests/ui/partialeq_to_none.rs:53:13
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LL | let _ = Some(1 + 2) != None;
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| ^^^^^^^^^^^^^^^^^^^ help: use `Option::is_some()` instead: `Some(1 + 2).is_some()`
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error: binary comparison to literal `Option::None`
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--> tests/ui/partialeq_to_none.rs:55:13
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LL | let _ = { Some(0) } == None;
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| ^^^^^^^^^^^^^^^^^^^ help: use `Option::is_none()` instead: `{ Some(0) }.is_none()`
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error: binary comparison to literal `Option::None`
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--> tests/ui/partialeq_to_none.rs:57:13
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LL | let _ = {
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| _____________^
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LL | | /*
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LL | | This comment runs long
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LL | | */
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LL | | Some(1)
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LL | | } != None;
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| |_____________^
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help: use `Option::is_some()` instead
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LL ~ let _ = {
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LL + /*
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LL + This comment runs long
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LL + */
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LL + Some(1)
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LL ~ }.is_some();
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error: binary comparison to literal `Option::None`
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--> tests/ui/partialeq_to_none.rs:67:13
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LL | let _ = optref() == &&None;
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| ^^^^^^^^^^^^^^^^^^ help: use `Option::is_none()` instead: `optref().is_none()`
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error: binary comparison to literal `Option::None`
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--> tests/ui/partialeq_to_none.rs:68:13
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LL | let _ = &&None != optref();
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| ^^^^^^^^^^^^^^^^^^ help: use `Option::is_some()` instead: `optref().is_some()`
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error: binary comparison to literal `Option::None`
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--> tests/ui/partialeq_to_none.rs:69:13
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LL | let _ = **optref() == None;
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| ^^^^^^^^^^^^^^^^^^ help: use `Option::is_none()` instead: `optref().is_none()`
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error: binary comparison to literal `Option::None`
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--> tests/ui/partialeq_to_none.rs:70:13
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LL | let _ = &None != *optref();
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| ^^^^^^^^^^^^^^^^^^ help: use `Option::is_some()` instead: `optref().is_some()`
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error: binary comparison to literal `Option::None`
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--> tests/ui/partialeq_to_none.rs:73:13
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LL | let _ = None != *x;
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| ^^^^^^^^^^ help: use `Option::is_some()` instead: `(*x).is_some()`
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error: aborting due to 15 previous errors
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