From: Sebastian Buchwald <UniQP@web.de>
Date: Sat, 7 Jan 2023 13:53:59 +0000 (+0100)
Subject: Replace some std::string occurrences with std::string_view
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=e9e7a7b83f78b5c7d29f69083589b449d9b52390;hp=e9e7a7b83f78b5c7d29f69083589b449d9b52390;p=stockfish

Replace some std::string occurrences with std::string_view

std::string_view is more lightweight than std::string. Furthermore,
std::string_view variables can be declared constexpr.

closes https://github.com/official-stockfish/Stockfish/pull/4328

No functional change
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