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| author | Alexander Zubkov <green@qrator.net> | 2021-12-28 03:48:42 +0100 |
|---|---|---|
| committer | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2021-12-28 04:07:09 +0100 |
| commit | e15e465720c428e765ab88fd587afb4f4f5d70ae (patch) | |
| tree | cfc63e2678e88568e27e9bd0d364f411e7c3dd30 /doc/bird.sgml | |
| parent | a2a268da4f0c05012d691b57f9b358e3f35ef121 (diff) | |
Doc: Document community components access operators
Diffstat (limited to 'doc/bird.sgml')
| -rw-r--r-- | doc/bird.sgml | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml index 4e4804de..d1059cb1 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -1292,6 +1292,9 @@ in the foot). The same syntax can also be used to construct a pair from two arbitrary integer expressions (for example <cf/(1+2,a)/). + Operators <cf/.asn/ and <cf/.data/ can be used to extract corresponding + components of a pair: <cf>(<m/asn/, <m/data/)</cf>. + <tag><label id="type-quad">quad</tag> This is a dotted quad of numbers used to represent router IDs (and others). Each component can have a value from 0 to 255. Literals of @@ -1382,6 +1385,10 @@ in the foot). pairs, LCs can be constructed using expressions for its parts, (e.g. <cf/(myas, 10+20, 3*10)/, where <cf/myas/ is an integer variable). + Operators <cf/.asn/, <cf/.data1/, and <cf/.data2/ can be used + to extract corresponding components of LCs: + <cf>(<m/asn/, <m/data1/, <m/data2/)</cf>. + <tag><label id="type-set">int|pair|quad|ip|prefix|ec|lc|enum set</tag> Filters recognize four types of sets. Sets are similar to strings: you can pass them around but you can't modify them. Literals of type <cf>int |