Matrix.opIndexAssign - multiple declarations

Function Matrix.opIndexAssign

Matrix[i, j] = T

T opIndexAssign (
  in T t,
  in size_t i,
  in size_t j
);

Function Matrix.opIndexAssign

Matrix[index] = T Indices start with 0

T opIndexAssign (
  in T t,
  in size_t index
);