10.  Conditionals  

(if test consequent alternate)
(if test consequent)

See R^4RS.
In the first form, alternate can be a sequence of expressions (implicit begin).

(case key clause1 clause2 ...)

See R^4RS.
Each clause not beginning with else can be of the form 

((datum1 ...) expression1 expression2 ...)
or 
(datum expression1 expression2 ...)
In the latter case, the key is matched against the datum.

(cond clause1 clause2 ...)

See R^4RS.

(and test1 ...)
(or test1 ...)

See R^4RS.

Markup created by unroff 1.0,    September 24, 1996,    net@informatik.uni-bremen.de