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Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 26 |
1 files changed, 26 insertions, 0 deletions
@@ -6947,6 +6947,30 @@ cell of the input alist. That is to say, each element of the output list is produced as if by the copy-cons function applied to the corresponding element of the input list. +.SH PROPERTY LISTS + +.SS Function prop + +.TP +Syntax: + + (prop <plist> <key>) + +.TP +Description: + +A property list a flat list of even length consisting of interleaved +pairs of property names (usually symbols) and their values (arbitrary +objects). An example property list is (:a 1 :b "two") which contains +two properties, :a having value 1, and :b having value "two". + +The prop function searches property list <plist> for key <key>. If +the key is found, then the value next to it is returned. Otherwise +nil is returned. + +It is ambiguous whether nil is returned due to the property not being +found, or due to the property being present with a nil value. + .SH LIST SORTING .SS Function merge @@ -9437,6 +9461,8 @@ meaningful, it does nothing. .SH FILESYSTEM ACCESS +.SS Function stat + .SS Function open-directory .SS Functions open-file |