to_upper_case($string) Converts a string to upper case.

map_get($map, $key) Returns the value in a map associated with the given key. If the map doesn’t have such a key, returns

scale_color($color, [$red], [$green], [$blue], [$saturation], [$lightness], [$alpha]) Fluidly scales one or more properties

append($list, $val, $separator:auto) Appends a single value onto the end of a list. Unless

map_values($map) Returns a list of all values in a map. This list may include duplicate values, if multiple keys have the

min($numbers...) Finds the minimum of several numbers. This function takes any number of arguments.

random random($limit)

quote($string) Add quotes to a string if the string isn’t quoted, or returns the same string if it is.

ceil($number) Rounds a number up to the next whole number.

lightness($color) Returns the lightness component of a color. See