From: Richard Kreckel <kreckel@ginac.de>
Date: Fri, 29 Jan 2016 22:45:21 +0000 (+0100)
Subject: [C++17] Remove inheritance from std::binary_function, std::unary_function.
X-Git-Tag: release_1-7-0~7^2~14
X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=commitdiff_plain;h=319c9533e12eba2449001c47545e3c3cf48c482f;hp=319c9533e12eba2449001c47545e3c3cf48c482f

[C++17] Remove inheritance from std::binary_function, std::unary_function.

This inheritance is unneeded since C++11 and the two classes may be
removed in C++-17.
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