Function rustdoc::core::new_handler

pub(crate) fn new_handler(
    error_format: ErrorOutputType, 
    source_map: Option<Lrc<SourceMap>>, 
    debugging_opts: &DebuggingOptions
) -> 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.