fluidattacks-blends-domain 0.26.0

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use crate::{
    query::adj_ast,
    syntax::{
        builders::named_argument::build_named_argument_node, SyntaxGraphArgs, SyntaxGraphError,
    },
    utilities::text_nodes::node_to_str,
    NodeId,
};

pub fn reader(
    args: &mut SyntaxGraphArgs<'_>,
    n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
    let graph = args.ast_graph;
    let c_ids = adj_ast(graph, n_id, Some(1), &[]);

    let value_id = c_ids
        .last()
        .copied()
        .ok_or(SyntaxGraphError::UnexpectedAstShape)?;

    let arg_name = if c_ids
        .get(1)
        .is_some_and(|&id| node_to_str(graph, id) == "=")
    {
        c_ids.first().map(|&id| node_to_str(graph, id))
    } else {
        None
    };

    build_named_argument_node(args, n_id, arg_name, value_id).map(Some)
}