/// <summary>
/// Use a method to initialize each element of an array.
/// </summary>
/// <typeparam name="TSelf"></typeparam>
/// <param name="this"></param>
/// <param name="init"></param>
/// <returns></returns>
public static TSelf[,,] Let <TSelf>(this TSelf[,,] @this, Func <TSelf> init)
{
var calc = new DimensionIndexCalculator(@this);
int dv(int i, int dimension) => calc.GetDimensionIndex(i, dimension);
int i = 0;
foreach (var item in @this)
{
var di = new[] { dv(i, 0), dv(i, 1), dv(i, 2) };
@this[di[0], di[1], di[2]] = init();
i++;
}
return(@this);
}
/// <summary>
/// Use a method to initialize each element of an array.
/// </summary>
/// <typeparam name="TSelf"></typeparam>
/// <param name="this"></param>
/// <param name="inits"></param>
/// <returns></returns>
public static TSelf[,,] Let <TSelf>(this TSelf[,,] @this, TSelf[] inits)
{
var calc = new DimensionIndexCalculator(@this);
int dv(int i, int dimension) => calc.GetDimensionIndex(i, dimension);
int i = 0;
foreach (var item in @this)
{
var di = new[] { dv(i, 0), dv(i, 1), dv(i, 2) };
@this[di[0], di[1], di[2]] = i < inits.Length ? inits[i] : default;
i++;
}
return(@this);
}