// From copies a T from a generic.T implementation.
func From(other generic.T) T {
r := Ident
cols := other.Cols()
rows := other.Rows()
if !((cols == 2 && rows == 2) || (cols == 3 && rows == 3) || (cols == 4 && rows == 4)) {
panic("Unsupported type")
}
for col := 0; col < cols; col++ {
for row := 0; row < rows; row++ {
r[col][row] = other.Get(col, row)
}
}
return r
}
