fluidattacks-blends-domain 0.17.1

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use crate::syntax::fields::ruby::binary;
use crate::{
    syntax::{
        builders::binary_operation::build_binary_operation_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 operator_id = args.required_field_alt(n_id, binary::OPERATOR)?;
    let left_id = args.required_field_alt(n_id, binary::LEFT)?;
    let right_id = args.required_field_alt(n_id, binary::RIGHT)?;

    let operator = node_to_str(graph, operator_id);

    build_binary_operation_node(args, n_id, operator, Some(left_id), Some(right_id)).map(Some)
}