fluidattacks-blends-domain 0.30.0

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use crate::{
    syntax::{
        builders::parameter::build_parameter_node,
        fields::{swift::parameter, Field},
        SyntaxGraphArgs, SyntaxGraphError,
    },
    utilities::text_nodes::node_to_str,
    NodeId,
};

const TYPE: Field<false> = Field::new("type_id");

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

    let var_id = args.required_field_alt(n_id, parameter::NAME)?;
    let var_name = node_to_str(graph, var_id);

    let var_type = args
        .optional_field_alt(n_id, TYPE)
        .map(|type_id| node_to_str(graph, type_id));

    build_parameter_node(args, n_id, Some(var_name), var_type, None, &[], None, None).map(Some)
}