Attach key to type error generated from Config::get_<type>() #413
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yuja
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yuja
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Jan 24, 2023
I considered adding .optional() helper to lift Result to Result<Option<_>>, but it's much simpler to expect all config sections (and maybe all keys?) are defined by default. The error message is a bit cryptic, but it should be improved by the following PR if accepted. rust-cli/config-rs#413
matthiasbeyer
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Feb 2, 2023
This commit extracts low-level get_value() to preserve the origin as much
as possible. get::<Value>() would run Value-to-Value deserialization, and
the origin field would be lost there.
For scalar types, we could instead leverage get::<T>() as the deserializer
implemented for Value type invokes Value::into_<type>() function:
fn get_string(&self, key: &str) -> Result<String> { self.get(key) }
Signed-off-by: Yuya Nishihara <[email protected]>
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Sure, rebased. The tests passed locally. |
matthiasbeyer
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Feb 2, 2023
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Thanks for contributing! 🎉 |
martinvonz
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Mar 31, 2023
If you set e.g.`ui.pager = 5`, we currently ignore that and fall back to the default. It seems better to let the user know that their config is invalid, as we generally do. This commit does that. With this change, the error message will look like this: ``` Config error: Invalid `ui.pager`: data did not match any variant of untagged enum CommandNameAndArgs ``` Maybe the key name will be redundant once the `config` crate releases a version including rust-cli/config-rs#413 (thanks, Yuya).
martinvonz
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Mar 31, 2023
If you set e.g.`ui.pager = 5`, we currently ignore that and fall back to the default. It seems better to let the user know that their config is invalid, as we generally do. This commit does that. With this change, the error message will look like this: ``` Config error: Invalid `ui.pager`: data did not match any variant of untagged enum CommandNameAndArgs ``` Maybe the key name will be redundant once the `config` crate releases a version including rust-cli/config-rs#413 (thanks, Yuya).
martinvonz
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Mar 31, 2023
If you set e.g.`ui.pager = 5`, we currently ignore that and fall back to the default. It seems better to let the user know that their config is invalid, as we generally do. This commit does that. With this change, the error message will look like this: ``` Config error: Invalid `ui.pager`: data did not match any variant of untagged enum CommandNameAndArgs ``` Maybe the key name will be redundant once the `config` crate releases a version including rust-cli/config-rs#413 (thanks, Yuya).
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This commit extracts low-level get_value() to preserve the origin as much as possible. get::() would run Value-to-Value deserialization, and the origin field would be lost there.
For scalar types, we could instead leverage get::() as the deserializer implemented for Value type invokes Value::into_() function: