# Querying Lists

```{doxygentypedef} core::mp::at_ct
```

```{doxygentypedef} core::mp::at_t
```

```{doxygenvariable} core::mp::contains_v
```

```{doxygenvariable} core::mp::empty_v
```

```{doxygenvariable} core::mp::find_index_v
```

```{doxygentypedef} core::mp::head_t
```

```{doxygenvariable} core::mp::homogeneous_v
```

```{doxygentypedef} core::mp::is_subset_of_t
```

```{doxygenvariable} core::mp::is_member_v
```

```{doxygenvariable} core::mp::is_same_template_v
```

```{doxygentypedef} core::mp::second_t
```

```{doxygentypedef} core::mp::tail_t
```