mirror of
https://github.com/rust-lang/rust-clippy
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93 lines
3.2 KiB
Text
93 lines
3.2 KiB
Text
error: consider implementing `TryFrom` instead
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--> $DIR/fallible_impl_from.rs:5:1
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LL | / impl From<String> for Foo {
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LL | | fn from(s: String) -> Self {
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LL | | Foo(s.parse().unwrap())
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LL | | }
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LL | | }
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| |_^
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note: lint level defined here
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--> $DIR/fallible_impl_from.rs:1:9
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LL | #![deny(clippy::fallible_impl_from)]
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: `From` is intended for infallible conversions only. Use `TryFrom` if there's a possibility for the conversion to fail.
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note: potential failure(s)
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--> $DIR/fallible_impl_from.rs:7:13
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LL | Foo(s.parse().unwrap())
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| ^^^^^^^^^^^^^^^^^^
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error: consider implementing `TryFrom` instead
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--> $DIR/fallible_impl_from.rs:26:1
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LL | / impl From<usize> for Invalid {
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LL | | fn from(i: usize) -> Invalid {
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LL | | if i != 42 {
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LL | | panic!();
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... |
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LL | | }
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LL | | }
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| |_^
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= help: `From` is intended for infallible conversions only. Use `TryFrom` if there's a possibility for the conversion to fail.
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note: potential failure(s)
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--> $DIR/fallible_impl_from.rs:29:13
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LL | panic!();
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| ^^^^^^^^^
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= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
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error: consider implementing `TryFrom` instead
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--> $DIR/fallible_impl_from.rs:35:1
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LL | / impl From<Option<String>> for Invalid {
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LL | | fn from(s: Option<String>) -> Invalid {
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LL | | let s = s.unwrap();
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LL | | if !s.is_empty() {
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... |
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LL | | }
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LL | | }
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| |_^
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= help: `From` is intended for infallible conversions only. Use `TryFrom` if there's a possibility for the conversion to fail.
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note: potential failure(s)
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--> $DIR/fallible_impl_from.rs:37:17
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LL | let s = s.unwrap();
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| ^^^^^^^^^^
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LL | if !s.is_empty() {
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LL | panic!(42);
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| ^^^^^^^^^^^
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LL | } else if s.parse::<u32>().unwrap() != 42 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^
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LL | panic!("{:?}", s);
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| ^^^^^^^^^^^^^^^^^^
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= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
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error: consider implementing `TryFrom` instead
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--> $DIR/fallible_impl_from.rs:53:1
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LL | / impl<'a> From<&'a mut <Box<u32> as ProjStrTrait>::ProjString> for Invalid {
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LL | | fn from(s: &'a mut <Box<u32> as ProjStrTrait>::ProjString) -> Invalid {
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LL | | if s.parse::<u32>().ok().unwrap() != 42 {
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LL | | panic!("{:?}", s);
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... |
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LL | | }
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LL | | }
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| |_^
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= help: `From` is intended for infallible conversions only. Use `TryFrom` if there's a possibility for the conversion to fail.
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note: potential failure(s)
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--> $DIR/fallible_impl_from.rs:55:12
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LL | if s.parse::<u32>().ok().unwrap() != 42 {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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LL | panic!("{:?}", s);
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| ^^^^^^^^^^^^^^^^^^
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= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
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error: aborting due to 4 previous errors
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