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https://github.com/clap-rs/clap
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42 lines
2.2 KiB
Text
42 lines
2.2 KiB
Text
error[E0599]: the method `value_parser` exists for reference `&&&&&&_AutoValueParser<Custom>`, but its trait bounds were not satisfied
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--> tests/derive_ui/value_parser_unsupported.rs:5:5
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5 | foo: Custom,
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| ^^^ method cannot be called on `&&&&&&_AutoValueParser<Custom>` due to unsatisfied trait bounds
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...
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9 | struct Custom;
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| ------------- doesn't satisfy 7 bounds
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::: clap_builder/src/builder/value_parser.rs
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| pub struct _AutoValueParser<T>(std::marker::PhantomData<T>);
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| ------------------------------ doesn't satisfy `_: _ValueParserViaParse`
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= note: the following trait bounds were not satisfied:
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`Custom: ValueEnum`
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which is required by `&&&&&_AutoValueParser<Custom>: clap::builder::via_prelude::_ValueParserViaValueEnum`
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`Custom: ValueParserFactory`
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which is required by `&&&&&&_AutoValueParser<Custom>: clap::builder::via_prelude::_ValueParserViaFactory`
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`Custom: From<OsString>`
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which is required by `&&&&_AutoValueParser<Custom>: clap::builder::via_prelude::_ValueParserViaFromOsString`
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`Custom: From<&'s std::ffi::OsStr>`
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which is required by `&&&_AutoValueParser<Custom>: clap::builder::via_prelude::_ValueParserViaFromOsStr`
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`Custom: From<std::string::String>`
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which is required by `&&_AutoValueParser<Custom>: clap::builder::via_prelude::_ValueParserViaFromString`
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`Custom: From<&'s str>`
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which is required by `&_AutoValueParser<Custom>: clap::builder::via_prelude::_ValueParserViaFromStr`
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`Custom: FromStr`
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which is required by `_AutoValueParser<Custom>: clap::builder::via_prelude::_ValueParserViaParse`
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note: the traits `From`, `FromStr`, `ValueEnum`, and `ValueParserFactory` must be implemented
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--> clap_builder/src/builder/value_parser.rs
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| pub trait ValueParserFactory {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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::: clap_builder/src/derive.rs
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| pub trait ValueEnum: Sized + Clone {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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--> $RUST/core/src/convert/mod.rs
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--> $RUST/core/src/str/traits.rs
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= note: this error originates in the macro `clap::value_parser` (in Nightly builds, run with -Z macro-backtrace for more info)
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