ASR Helper Nodes

These are the product types and the small sum types of ASR.asdl: the pieces that appear inside the nodes rather than on their own. A product type is written as a list of members with no constructor name of its own, and is printed in ASR text as (name :member value ...).

• alloc_arg
• array_index
• attribute
• call_arg
• case_stmt
• coarray_index
• codimension
• common_association
• dimension
• do_loop_head
• rank_stmt
• reduction_expr
• require_instantiation
• tbind
• type_stmt