Range.h

/*
  ==============================================================================
    DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
    Copyright 2023 by sonible GmbH.
 
    This file is part of VCTR - Versatile Container Templates Reconceptualized.
 
    VCTR is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License version 3
    only, as published by the Free Software Foundation.
 
    VCTR is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License version 3 for more details.
 
    You should have received a copy of the GNU Lesser General Public License
    version 3 along with VCTR.  If not, see <https://www.gnu.org/licenses/>.
  ==============================================================================
*/
 
namespace vctr
{
 
template <is::realNumber ValueType>
class Range
{
public:
    using value_type = ValueType;
 
    //==============================================================================
    constexpr Range (ValueType startValue, ValueType endValue) noexcept
        : start (startValue),
          end (endValue)
    {
        VCTR_ASSERT (end >= start);
    }
 
    constexpr Range() = default;
 
    constexpr Range (const Range&) = default;
 
    constexpr Range (Range&&) = default;
 
    //==============================================================================
    constexpr void setStart (ValueType newStart) noexcept
    {
        start = newStart;
        VCTR_ASSERT (start <= end);
    }
 
    constexpr void setEnd (ValueType newEnd) noexcept
    {
        end = newEnd;
        VCTR_ASSERT (start <= end);
    }
 
    //==============================================================================
    constexpr ValueType getStart() const noexcept          { return start; }
 
    constexpr ValueType getLength() const noexcept         { return end - start; }
 
    constexpr ValueType getEnd() const noexcept            { return end; }
 
private:
    //==============================================================================
    ValueType start { 0 };
    ValueType end { 0 };
};
 
}