fluidattacks-blends-domain 0.41.0

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use crate::syntax::fields::swift::nil_coalescing_expression;
use crate::{
    syntax::{builders::if_statement::build_if_node, SyntaxGraphArgs, SyntaxGraphError},
    NodeId,
};

pub fn reader(
    args: &mut SyntaxGraphArgs<'_>,
    n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
    let condition = args.required_field_alt(n_id, nil_coalescing_expression::VALUE)?;
    let if_nil = args.required_field_alt(n_id, nil_coalescing_expression::IF_NIL)?;

    build_if_node(args, n_id, condition, Some(if_nil), None, None).map(Some)
}