Replace use of ATuple::at(0) with ATuple::head().

git-svn-id: http://svn.drobilla.net/resp/tuplr@227 ad02d1e2-f140-0410-9f75-f8b11f17cedd

3 files changed, 12 insertions, 12 deletions

diff --git a/src/constrain.cpp b/src/constrain.cpp
index b4afe09..2fd3fa9 100644
--- a/src/constrain.cpp
+++ b/src/constrain.cpp
@@ -112,13 +112,13 @@ ACall::constrain(TEnv& tenv, Constraints& c) const
 	for (size_t i = 0; i < size(); ++i)
 		at(i)->constrain(tenv, c);
 
-	const AType* fnType = tenv.var(at(0));
+	const AType* fnType = tenv.var(head());
 	if (fnType->kind != AType::VAR) {
 		if (fnType->kind == AType::PRIM
 				|| fnType->size() < 2
-				|| !fnType->at(0)->to<const ASymbol*>()
-				|| fnType->at(0)->to<const ASymbol*>()->cppstr != "Fn")
-			throw Error(loc, (format("call to non-function `%1%'") % at(0)->str()).str());
+				|| !fnType->head()->to<const ASymbol*>()
+				|| fnType->head()->to<const ASymbol*>()->cppstr != "Fn")
+			throw Error(loc, (format("call to non-function `%1%'") % head()->str()).str());
 
 		size_t numArgs = fnType->at(1)->to<const ATuple*>()->size();
 		THROW_IF(numArgs != size() - 1, loc,
@@ -130,7 +130,7 @@ ACall::constrain(TEnv& tenv, Constraints& c) const
 	for (size_t i = 1; i < size(); ++i)
 		argsT->push_back(tenv.var(at(i)));
 
-	c.constrain(tenv, at(0), tup<AType>(at(0)->loc, tenv.penv.sym("Fn"), argsT, retT, 0));
+	c.constrain(tenv, head(), tup<AType>(head()->loc, tenv.penv.sym("Fn"), argsT, retT, 0));
 	c.constrain(tenv, this, retT);
 }
 
@@ -169,7 +169,7 @@ AIf::constrain(TEnv& tenv, Constraints& c) const
 void
 APrimitive::constrain(TEnv& tenv, Constraints& c) const
 {
-	const string n = at(0)->to<const ASymbol*>()->str();
+	const string n = head()->to<const ASymbol*>()->str();
 	enum { ARITHMETIC, BINARY, LOGICAL, COMPARISON } type;
 	if (n == "+" || n == "-" || n == "*" || n == "/")
 		type = ARITHMETIC;
diff --git a/src/parse.cpp b/src/parse.cpp
index ac232de..c7209aa 100644
--- a/src/parse.cpp
+++ b/src/parse.cpp
@@ -53,7 +53,7 @@ macDef(PEnv& penv, const AST* exp)
 		for (; i != tup->end(); ++i)
 			fnExp->push_back(*i);
 		ATuple* ret = new ATuple(exp->loc);
-		ret->push_back(const_cast<AST*>(tup->front()));
+		ret->push_back(const_cast<AST*>(tup->head()));
 		ret->push_back(const_cast<AST*>(name));
 		ret->push_back(fnExp);
 		return ret;
diff --git a/src/tuplr.hpp b/src/tuplr.hpp
index a89b612..02d79af 100644
--- a/src/tuplr.hpp
+++ b/src/tuplr.hpp
@@ -241,7 +241,7 @@ struct ATuple : public AST {
 		newvec[_len++] = ast;
 		_vec = newvec;
 	}
-	const AST* front()      const { assert(_len > 0); return _vec[0]; }
+	const AST* head()       const { assert(_len > 0); return _vec[0]; }
 	const AST* at(size_t i) const { assert(i < _len); return _vec[i]; }
 	AST*&      at(size_t i)       { assert(i < _len); return _vec[i]; }
 	size_t     size()       const { return _len; }
@@ -483,15 +483,15 @@ struct PEnv : private map<const string, ASymbol*> {
 		const ATuple* tup = exp->to<const ATuple*>();
 		if (tup) {
 			if (tup->empty()) throw Error(exp->loc, "call to empty list");
-			if (!tup->front()->to<const ATuple*>()) {
-				MF mf = mac(*tup->front()->to<const AString*>());
+			if (!tup->head()->to<const ATuple*>()) {
+				MF mf = mac(*tup->head()->to<const AString*>());
 				const AST*    expanded     = (mf ? mf(*this, exp) : exp);
 				const ATuple* expanded_tup = expanded->to<const ATuple*>();
-				const PEnv::Handler* h = handler(true, *expanded_tup->front()->to<const AString*>());
+				const PEnv::Handler* h = handler(true, *expanded_tup->head()->to<const AString*>());
 				if (h)
 					return h->func(*this, expanded, h->arg);
 			}
-			ATuple* parsed_tup = parseTuple(tup); // FIXME: leak
+			ATuple* parsed_tup = parseTuple(tup);
 			return new ACall(parsed_tup); // Parse as regular call
 		}
 		const AString* str = exp->to<const AString*>();