zl:1 - FTP

sxhash 582
second returned value. Otherwise it returns two values, nil and nil. This
function will be removed in the future - use swaphash instead.
smash x
Function
smash computes a hash code of an object, and returns it as a Il.XI1um. A
property of smash is that (equal x y) always implies (= (smash x)
(smash y». The number returned by smash is always a nonnegative iIxnum,
possibly a large one. smash tries to compute its hash code in such a
way that common permutations of an object, such as interchanging two elements
of a list or changing one character in a string, always changes the
hash code.
smash is the same as si:equal-hash, except that smash returns 0 as the
hash value for objects with data types like arrays, stack groups, or closures.
As a result, hashing such structures could degenerate to the case of linear
search.
I
symbol
Type Specifier
symbol is the type specifier symbol for the predefined Lisp symbol data
type.
The types symbol, cons, array, number, and character are pairwise disjoint.
The type symbol is a supertype of the type null.
Examples:
(typep 'word 'symbol) => T
(zl:typep t) => :SYMBOL
(subtypep 'symbol 'common) => T and T
(sys:type-arglist 'symbol) => NIL and T
(symbolp 'time) => T
(nsymbolp 'it) => NIL
(symbol-package nil) => #
See the section "Data Types and Type Specifiers" in Symbolics Common
Lisp: Language Concepts. See the section "Symbols and Keywords" in Symbolics
Common Lisp: Language Concepts.
symbol-function symbol Function
Returns the current global function definition named by symbol. If symbol
has no function definition, signals an error. The deiInition can be a function
or an object representing a special form or macro. If the definition is
an object representing special form or a macro, it is an error to try to invoke
the object as a function. See the section "Functions Relating to the
Function Cell of a Symbol" in Symbolics Common Lisp: Language Concepts.