Interpolate DynamicPPL.check_dot_tilde_rhs into macro (#867)

* Interpolate DynamicPPL.check_dot_tilde_rhs into macro

* Changelog

Author: penelopeysm

HISTORY.md

@@ -1,5 +1,9 @@
 # DynamicPPL Changelog
 
+## 0.35.6
+
+Fixed the implementation of `.~`, such that running a model with it no longer requires DynamicPPL itself to be loaded.
+
 ## 0.35.5
 
 Several internal methods have been removed:

Project.toml

@@ -1,6 +1,6 @@
 name = "DynamicPPL"
 uuid = "366bfd00-2699-11ea-058f-f148b4cae6d8"
-version = "0.35.5"
+version = "0.35.6"
 
 [deps]
 ADTypes = "47edcb42-4c32-4615-8424-f2b9edc5f35b"

src/compiler.jl

@@ -519,7 +519,7 @@ Generate the expression that replaces `left .~ right` in the model body.
 function generate_dot_tilde(left, right)
     @gensym dist left_axes idx
     return quote
-        $dist = DynamicPPL.check_dot_tilde_rhs($right)
+        $dist = $(DynamicPPL.check_dot_tilde_rhs)($right)
         $left_axes = axes($left)
         for $idx in Iterators.product($left_axes...)
             $left[$idx...] ~ $dist