Shumate.Map.insert_layer_above

### Method

# Shumate Mapinsert_layer_above

#### Declaration [src]

    void
    shumate_map_insert_layer_above (
      ShumateMap* self,
      ShumateLayer* layer,
      ShumateLayer* next_sibling
    )

#### Description [src]

Adds `layer` to `self` above `next_sibling` or, if `next_sibling` is `NULL`, at the bottom of the layer list.

#### Parameters

`layer` | `ShumateLayer`
| A `ShumateLayer`.
| The data is owned by the caller of the function.
`next_sibling` | `ShumateLayer`
| A `ShumateLayer` that is a child of `self`, or `NULL`.
| The argument can be `NULL`.
| The data is owned by the caller of the function.