fluidattacks-blends-domain 0.22.0

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use crate::{
    query::adj_ast,
    syntax::{
        builders::binary_operation::build_binary_operation_node, fields::kotlin::in_expression,
        SyntaxGraphArgs, SyntaxGraphError,
    },
    utilities::text_nodes::node_to_str,
    NodeId,
};
use alloc::borrow::ToOwned;

pub fn reader(
    args: &mut SyntaxGraphArgs<'_>,
    n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
    let graph = args.ast_graph;
    let element_id = args.required_field_alt(n_id, in_expression::LEFT)?;
    let container_id = args.required_field_alt(n_id, in_expression::RIGHT)?;

    let operator = adj_ast(graph, n_id, Some(1), &[])
        .get(1)
        .map_or_else(|| "UndefinedInfix".to_owned(), |&op| node_to_str(graph, op));

    build_binary_operation_node(args, n_id, operator, Some(container_id), Some(element_id))
        .map(Some)
}