env-vars-to-json: Construct JSON from environment variables

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This crate provides a method to construct serde_json::Value from environment variables.

Examples:

Given environemnt variables, with prefix PREFIX and separator __: bash export PREFIX__INT_LIST__0=1 export PREFIX__INT_LIST__1=2 export PREFIX__STRUCT__INT=1 export PREFIX__STRUCT__STRING=string export PREFIX__STRUCT__BOOL_LIST__0=true export PREFIX__STRUCT__BOOL_LIST__1=false export PREFIX__STRUCT__STRUCT__INT=1 export PREFIX__STRUCT__STRUCT__STRING=string export PREFIX__STRUCT__STRUCT__BOOL_LIST__0=true export PREFIX__STRUCT__STRUCT__BOOL_LIST__1=false export PREFIX__BOOL_LIST__3=true export PREFIX__STRUCT__FLOAT=1.1 export PREFIX__BOOL_LIST__0=false export PREFIX__STRING_LIST__0=string0

Ouptut json: json { "int_list": [1, 2], "struct": { "int": 1, "float": 1.1, "string": "string", "bool_list": [true, false], "struct": { "int": 1, "string": "string", "bool_list": [true, false] } }, "bool_list": [false, null, null, true], "string_list": ["string0"] }

Code: ```rust use envvarsto_json::EnvVarsToJson;

let json = EnvVarsToJson::builder() .prefix("PREFIX") .separator("_") .build() .expect("Failed to build EnvVarsToJson") .parsefrom_env() .expect("Failed to parse environment variables");

println!("{}", json); ```

License

Licensed under either of * Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0) * MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)