Attempts to coerce x to a character. If not possible, throws error.

Ensures the x is a list. Converts other collections to a list. Otherwise
creates a list with x in it. Realizes x if x is a lazy sequence.

Ensures the x is a set. Converts other collections to a set. Otherwise
creates a set with x in it.

Ensures the x is a vector. Converts other collections to a vector. Otherwise
creates a vector with x in it.

Converts a keyword to a string without the colon.

Rounds the float value to given number of decimal places

Converts a vector into a list preserving the order.