We use some conventions in this manual.
#t' or `non-#f'. This typically means that val
is returned if condition holds, and that `#f' is returned
otherwise.
=> is used to tell which value is returned by
an evaluation:
(+ 1 2) => 3Some procedures produce some output besides returning a value. This is denoted by the symbol
-|.
(begin (display 1) (newline) 'hooray) -| 1 => hooray
@unnumbered{Part I: Introduction to Guile}
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