Jerry/bird
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

Doc: Document community components access operators

Browse source
This commit is contained in:
Alexander Zubkov 2021-12-28 03:48:42 +01:00 committed by Ondrej Zajicek (work)
parent a2a268da4f
commit e15e465720
1 changed files with 7 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
doc/bird.sgml
View file

@ -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