Symbol Mapping

## Usage

```
palette_shape(symbols = NULL, domain = NULL, ordered = FALSE, ...)
palette_line(types = NULL, domain = NULL, ordered = FALSE, ...)
```

## Arguments

- symbols, types
A vector of symbols or line types.

- domain
A vector of categorical data specifying the possible values that can be mapped.

- ordered
A

`logical`

scalar: should the levels be treated as already in the correct order?- ...
Currently not used.

## Value

A palette `function`

that when called with a single argument
(a `character`

vector of categorical values) returns a vector of symbols.

## See also

Other palettes:
`palette_color()`

,
`palette_color_continuous()`

,
`palette_color_discrete()`

,
`palette_size_range()`