docs: declare experimental

MilesCranmer · MilesCranmer · commit b5d4554d6893 · 2024-06-24T03:25:20.000+01:00
diff --git a/src/ParametricExpression.jl b/src/ParametricExpression.jl
@@ -54,7 +54,7 @@ end
 """
     ParametricExpression{T,N<:ParametricNode{T},D<:NamedTuple} <: AbstractExpression{T,N}
 
-An expression to store parameters for a tree
+(Experimental) An expression to store parameters for a tree
 """
 struct ParametricExpression{
     T,
