fluidattacks-blends-domain 0.3.0

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use alloc::string::String;
use alloc::vec::Vec;

use crate::ast::AstGraph;
use crate::query::{adj_ast, label_text};
use crate::NodeId;

#[must_use]
pub fn access_modifiers(graph: &AstGraph, n_id: NodeId) -> Option<String> {
    let firsts: Vec<NodeId> = adj_ast(graph, n_id, None, &["modifier"])
        .into_iter()
        .filter_map(|m_id| adj_ast(graph, m_id, None, &[]).first().copied())
        .collect();
    if firsts.is_empty() {
        return None;
    }
    let parts: Vec<&str> = firsts
        .iter()
        .map(|id| label_text(graph, *id).unwrap_or_default())
        .collect();
    Some(parts.join(" "))
}