config-rs | ⚙️ Layered configuration system for Rust applications | Configuration Management library
kandi X-RAY | config-rs Summary
kandi X-RAY | config-rs Summary
️ Layered configuration system for Rust applications (with strong support for 12-factor applications).
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QUESTION
I'm using config-rs to load the configuration from a TOML file and I want to deserialize a string to an enum. I tried to solve it using the deserialize_with
feature of serde_derive but I don't know how to return a suitable Error to satisfy the function signature. How can I achieve it?
My dependencies:
...ANSWER
Answered 2017-Dec-13 at 07:54First of all, your example does not compile far enough to get to the errors you are describing. Please take care to produce an MCVE next time. Bonus points for getting it to work on https://play.rust-lang.org (which is possible, the extern crate config
is entirely unnecessary in your example).
After fixing up all the compilation issues, your first error is simply fixed by changing the function API to match the one suggested in the serde docs
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Install config-rs
Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.
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