--- a/src/Grids/equidistant_grid.jl	Fri Jan 31 20:35:28 2025 +0100
+++ b/src/Grids/equidistant_grid.jl	Sat Feb 01 22:12:53 2025 +0100
@@ -135,21 +135,26 @@
 end
 
 """
-    equidistant_grid(limit_lower::T, limit_upper::T, size::Int)
+    equidistant_grid(limit_lower::Number, limit_upper::Number, size::Int)
 
 Constructs a 1D equidistant grid.
 """
 function equidistant_grid(limit_lower::Number, limit_upper::Number, size::Int)
-    if any(size .<= 0)
+    if size <= 0
         throw(DomainError("size must be postive"))
     end
 
-    if any(limit_upper.-limit_lower .<= 0)
+    if limit_upper-limit_lower <= 0
         throw(DomainError("side length must be postive"))
     end
+
 	return EquidistantGrid(range(limit_lower, limit_upper, length=size)) # TBD: Should it use LinRange instead?
 end
 
+equidistant_grid(d::Interval, size::Int) = equidistant_grid(limits(d)..., size)
+equidistant_grid(hb::HyperBox, dims::Vararg{Int}) = equidistant_grid(limits(hb)..., dims...)
+
+
 CartesianBoundary{D,BID} = TensorGridBoundary{D,BID} # TBD: What should we do about the naming of this boundary?