Crate sugars

Macros

boxed	A simple macro to make a new Box value.
btmap	Create a BTreeMap from a list of key-value pairs
btset	Create a BTreeSet from a list of elements.
cmap	Macro to HashMap collection comprehensions
cset	Macro to HashSet collection comprehensions
cvec	Macro to Vec collection comprehensions
dur	Creates a Duration object following a time pattern
hmap	Create a HashMap from a list of key-value pairs
hset	Create a HashSet from a list of elements.
sleep	Makes a thread sleep a amount following a time pattern