Function expected_enum_name

crates/hll-to-ir/src/monomorphize.rs:1902–1907

A concrete enum type's mangled name, or None if `expected` is not a plain Named.

(expected: Option<&Type>)

                }
            }
        }
        Expression::Primary(primary) => match primary {
            PrimaryExpr::FunctionCall {
                name,
                type_arguments,
                arguments,
            } => {
                for argument in arguments {
                    rewrite_expression_calls(argument, substitutions, definitions, queue, queued)?;