fluidattacks-blends-domain 0.6.1

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use crate::syntax::builders::element_access::build_element_access_node;
use crate::syntax::fields::javascript::subscript_expression;
use crate::syntax::{SyntaxGraphArgs, SyntaxGraphError};
use crate::NodeId;

pub fn reader(
    args: &mut SyntaxGraphArgs<'_>,
    n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
    let index_id = args.required_field_alt(n_id, subscript_expression::INDEX)?;
    let expression_id = args.required_field_alt(n_id, subscript_expression::OBJECT)?;
    build_element_access_node(args, n_id, expression_id, Some(index_id)).map(Some)
}