sicmutils.expression

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Clojure only.

abstract?
Expression
expression-of
fmap
literal-number
variables-in
walk-expression

abstract?^clj

(abstract? x)

Expression^clj

expression-of^clj

(expression-of expr)

fmap^clj

(fmap f e)

Applies f to the expression part of e and creates from that an Expression otherwise like e.

Applies f to the expression part of e and creates from that an Expression otherwise like e.

raw docstring

literal-number^clj

(literal-number expression)

variables-in^clj

(variables-in x)

Return the 'variables' (e.g. symbols) found in the expression x, which is an unwrapped expression, as a set

Return the 'variables' (e.g. symbols) found in the expression x,
which is an unwrapped expression, as a set

raw docstring

walk-expression^clj

(walk-expression x variables functions)

Walk the unwrapped expression x in postorder, replacing symbols found there with their values in the map environment, if present; the functions association is used for elements in function application position (first of a sequence).

Walk the unwrapped expression x in postorder, replacing symbols found there
with their values in the map environment, if present; the functions association
is used for elements in function application position (first of a sequence).

raw docstring