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format_json_diagnostic_structured

dlin_core

Function format_json_diagnostic_structured 

Source 
pub fn format_json_diagnostic_structured(
    level: &str,
    what: &str,
    why: Option<&str>,
    hint: Option<&str>,
) -> String
Expand description

Format a structured diagnostic as a JSON object for stderr.

Always emits all four fields {"level","what","why","hint"} so that consumers can rely on a fixed schema. Missing values are null.