Maps

Maps

Maps represent collections with explicit keys.

<map>	(<col>)	C
<tab>	(<map> <col!>)	C
	Tables are near constant-time aggregate data structures. Users can define their own tables by subclassing and overriding the key-test and tab-hash methods.
tab-growth-factor	(x|<tab> => <flo>)	P
	factor by which to grow capacity.
tab-growth-threshold	(x|<tab> => <flo>)	P
	when to grow based on proportion of total table capacity.
tab-shrink-threshold	(x|<tab> => <flo>)	P
	when to shrink based on proportion of total table capacity.
tab-hash	(x|<tab> => <fun>)	G
	returns hash function.
id-hash	(x|<tab> => <int>)	G
	hash function based on identity.

Maps