X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fex.cpp;fp=ginac%2Fex.cpp;h=290154b4838e863859db143e181ea337e8ef9e75;hp=ee6827aad0b144686396f3962253daf3491166b3;hb=1b8bcb068171ce9d5c8202ae3c76647b65c9a06d;hpb=38e03cb00e07aa13d10ba75f79a5fee593b6f2cb

diff --git a/ginac/ex.cpp b/ginac/ex.cpp
index ee6827aa..290154b4 100644
--- a/ginac/ex.cpp
+++ b/ginac/ex.cpp
@@ -162,8 +162,7 @@ ex ex::subs(const ex & e, unsigned options) const
 		// Argument is a list: convert it to a map
 		exmap m;
 		GINAC_ASSERT(is_a<lst>(e));
-		for (lst::const_iterator it = ex_to<lst>(e).begin(); it != ex_to<lst>(e).end(); ++it) {
-			ex r = *it;
+		for (auto & r : ex_to<lst>(e)) {
 			if (!r.info(info_flags::relation_equal))
 				throw(std::invalid_argument("basic::subs(ex): argument must be a list of equations"));
 			const ex & s = r.op(0);
@@ -243,8 +242,8 @@ bool ex::is_polynomial(const ex & vars) const
 {
 	if (is_a<lst>(vars)) {
 		const lst & varlst = ex_to<lst>(vars);
-		for (lst::const_iterator i=varlst.begin(); i!=varlst.end(); ++i)
-			if (!bp->is_polynomial(*i))
+		for (auto & it : varlst)
+			if (!bp->is_polynomial(it))
 				return false;
 		return true;
 	}