Function lowercase

Lattice/Scripting/ScriptAPI.cpp:15–19

namespace {

std::string lowercase(std::string value) {
    std::transform(value.begin(), value.end(), value.begin(),
                   [](unsigned char ch) { return static_cast<char>(std::tolower(ch)); });
    return value;
}

std::string normalizeAtomSymbol(std::string value) {
    value = lowercase(std::move(value));