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GitHub

API

VarNames

AbstractPPL.VarName — Type
VarName{sym}(optic=identity)

A variable identifier for a symbol sym and optic optic.

The Julia variable in the model corresponding to sym can refer to a single value or to a hierarchical array structure of univariate, multivariate or matrix variables. The field lens stores the indices requires to access the random variable from the Julia variable indicated by sym as a tuple of tuples. Each element of the tuple thereby contains the indices of one optic operation.

VarNames can be manually constructed using the VarName{sym}(optic) constructor, or from an optic expression through the @varname convenience macro.

Examples

julia> vn = VarName{:x}(Accessors.IndexLens((Colon(), 1)) ⨟ Accessors.IndexLens((2, )))
 x[:, 1][2]
 
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--- a/v0.9.0/index.html
+++ b/v0.9.0/index.html
@@ -457,5 +457,6 @@
     });
 
 
+
 
GitHub
AbstractPPL.jl
A lightweight package containing interfaces and associated APIs for modelling languages for probabilistic programming.