Function import_grammar_lossless 

pub fn import_grammar_lossless(
    source: &str,
    format: &str,
) -> Result<(Grammar, GrammarLayout), GrammarLosslessError>

Imports source of format with the layout that reconstructs it.

Errors

Returns GrammarLosslessError::UnsupportedFormat for a format outside GRAMMAR_LOSSLESS_FORMATS and the importer’s error for a malformed source.