fluidattacks-blends-domain 0.3.0

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use crate::query::match_ast_d;
use crate::syntax::builders::catch_clause::build_catch_clause_node;
use crate::syntax::fields::java::catch_clause;
use crate::syntax::{SyntaxGraphArgs, SyntaxGraphError};
use crate::NodeId;

pub fn reader(
    args: &mut SyntaxGraphArgs<'_>,
    n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
    let block = args.required_field_alt(n_id, catch_clause::BODY)?;
    let param_id = match_ast_d(args.ast_graph, n_id, "catch_formal_parameter", None);
    build_catch_clause_node(args, n_id, Some(block), param_id).map(Some)
}