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6.22.2 Feature Tracking
Guile has a Scheme level variable
*features* that keeps track to
some extent of the features that are available in a running Guile.
*features* is a list of symbols, for example
of which describes a feature of the running Guile process.
You shouldn’t modify the
*features* variable directly using
set!. Instead, see the procedures that are provided for this
purpose in the following subsection.
|22.214.171.124 Feature Manipulation||Checking for and advertising features.|
|126.96.36.199 Common Feature Symbols||Commonly available features.|
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