fluidattacks-blends-domain 0.6.1

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use crate::query::{match_ast_d, match_ast_group_d};
use crate::syntax::builders::switch_body::build_switch_body_node;
use crate::syntax::{SyntaxGraphArgs, SyntaxGraphError};
use crate::NodeId;

pub fn reader(
    args: &mut SyntaxGraphArgs<'_>,
    n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
    let graph = args.ast_graph;
    let mut case_ids = match_ast_group_d(graph, n_id, "switch_case", None);
    let default_id = match_ast_d(graph, n_id, "switch_default", None);
    if let Some(id) = default_id {
        case_ids.push(id);
    }

    build_switch_body_node(args, n_id, &case_ids, default_id).map(Some)
}