Crate valua_diagnostics 

Structs

CollectingReporter

A simple in-memory reporter useful for testing.

ConsoleReporter

Writes diagnostics to stderr using codespan-reporting.

Diagnostic

A structured diagnostic message with optional error code, fix suggestion, and secondary source spans.

Span

Byte-range + line/column position within a source file.

Enums

Severity

Severity level of a diagnostic message.

Traits

Reporter

Trait for sinks that receive and display diagnostics.

Functions

render_diagnostic_to_string

Render a diagnostic to a plain string with no ANSI color codes. Intended for tests that verify visual layout of error output.