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1f82d4bbcd
This commit improves the docs for the `FromParam` derive macro and exposes a new `InvalidOption` error value, which is returned when the derived `FromParam` implementation fails.
58 lines
1.7 KiB
Plaintext
58 lines
1.7 KiB
Plaintext
error: named structs are not supported
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--> tests/ui-fail-stable/from_param.rs:4:1
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4 | / struct Foo1 {
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5 | | a: String
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6 | | }
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| |_^
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error: [note] error occurred while deriving `FromParam`
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--> tests/ui-fail-stable/from_param.rs:3:10
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3 | #[derive(FromParam)]
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| ^^^^^^^^^
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= note: this error originates in the derive macro `FromParam` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: named structs are not supported
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--> tests/ui-fail-stable/from_param.rs:9:1
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9 | struct Foo2 {}
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| ^^^^^^^^^^^^^^
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error: [note] error occurred while deriving `FromParam`
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--> tests/ui-fail-stable/from_param.rs:8:10
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8 | #[derive(FromParam)]
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| ^^^^^^^^^
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= note: this error originates in the derive macro `FromParam` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: variants with data fields are not supported
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--> tests/ui-fail-stable/from_param.rs:13:6
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13 | A(String),
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| ^^^^^^^^
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error: [note] error occurred while deriving `FromParam`
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--> tests/ui-fail-stable/from_param.rs:11:10
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11 | #[derive(FromParam)]
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| ^^^^^^^^^
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= note: this error originates in the derive macro `FromParam` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: tuple structs are not supported
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--> tests/ui-fail-stable/from_param.rs:18:1
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18 | struct Foo4(usize);
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| ^^^^^^^^^^^^^^^^^^^
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error: [note] error occurred while deriving `FromParam`
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--> tests/ui-fail-stable/from_param.rs:17:10
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17 | #[derive(FromParam)]
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| ^^^^^^^^^
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= note: this error originates in the derive macro `FromParam` (in Nightly builds, run with -Z macro-backtrace for more info)
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