Fix length for BasicSymbolic

JuliaSymbolics · Sep 16, 2024 · 8d18d9d · 8d18d9d
1 parent 8870978
commit 8d18d9d
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/utils.jl b/src/utils.jl
@@ -183,7 +183,12 @@ Base.length(l::LL) = length(l.v)-l.i+1
 @inline car(l::LL) = l.v[l.i]
 @inline cdr(l::LL) = isempty(l) ? empty(l) : LL(l.v, l.i+1)
 
-Base.length(t::BasicSymbolic) = length(arguments(t)) + 1 # PIRACY
+function Base.length(t::BasicSymbolic)
+    @match t.impl begin
+        Term(_...) => length(arguments(t)) + 1 # PIRACY
+        _ => 1
+    end
+end
 Base.isempty(t::BasicSymbolic) = false
 @inline car(t::BasicSymbolic) = operation(t)
 @inline cdr(t::BasicSymbolic) = arguments(t)