Improve error message for SUNIrrep(dynkin_labels)

QuantumKitHub · Jan 18, 2024 · 82b5b4d · 82b5b4d
1 parent 76f1447
commit 82b5b4d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/SUNRepresentations.jl b/src/SUNRepresentations.jl
@@ -45,7 +45,8 @@ SUNIrrep{N}(args::Vararg{Int}) where {N} = SUNIrrep{N}(args)
 
 SUNIrrep(a::Vector{Int}) = SUNIrrep{length(a) + 1}(a)
 function SUNIrrep{N}(a::Vector{Int}) where {N}
-    @assert length(a) == N - 1
+    length(a) == N - 1 ||
+        throw(ArgumentError("Dynkin labels for `SUNIrrep{$N}` should be a vector of length $(N - 1)"))
     return SUNIrrep{N}(reverse(cumsum(reverse(a)))..., 0)
 end