Rename module for determining head type

src/translate/verify_properties.rs

@@ -1,11 +1,11 @@
 mod context;
+mod head_type;
 mod translate_body;
-mod translate_head;
 
 pub use context::Context;
 
-use translate_body::translate_body;
-use translate_head::determine_head_type;
+use head_type::*;
+use translate_body::*;
 
 pub fn read(rule: &clingo::ast::Rule, context: &mut Context) -> Result<(), crate::Error>
 {
@@ -16,11 +16,11 @@ pub fn read(rule: &clingo::ast::Rule, context: &mut Context) -> Result<(), crate
 
 	match head_type
 	{
-		translate_head::HeadType::ChoiceWithSingleAtom(test) =>
+		HeadType::ChoiceWithSingleAtom(test) =>
 			log::debug!("translating choice rule with single atom"),
-		translate_head::HeadType::IntegrityConstraint =>
+		HeadType::IntegrityConstraint =>
 			log::debug!("translating integrity constraint"),
-		translate_head::HeadType::Trivial =>
+		HeadType::Trivial =>
 		{
 			log::debug!("skipping trivial rule");
 			return Ok(());