Function rustdoc::core::new_handler

pub(crate) fn new_handler(
    error_format: ErrorOutputType,
    source_map: Option<Lrc<SourceMap>>,
    diagnostic_width: Option<usize>,
    unstable_opts: &UnstableOptions
) -> Handler

Creates a new diagnostic Handler that can be used to emit warnings and errors.

If the given error_format is ErrorOutputType::Json and no SourceMap is given, a new one will be created for the handler.