fix #58

Project.toml

@@ -1,6 +1,6 @@
 name = "YaoPlots"
 uuid = "32cfe2d9-419e-45f2-8191-2267705d8dbc"
-version = "0.8.0"
+version = "0.8.1"
 
 [deps]
 Luxor = "ae8d54c2-7ccd-5906-9d76-62fc9837b5bc"

examples/circuits.jl

@@ -41,7 +41,7 @@ vizcircuit(chain(5, [put(5, 2=>ConstGate.Sdag), put(5, 3=>ConstGate.Tdag),
     put(5, (2,)=>shift(0.4π)),
     ]), filename=joinpath(@__DIR__, "constgates.png"))
 
-vizcircuit(chain(5, [put(5, (2,3)=>matblock(Matrix(SWAP), tag="SWAP")'), put(5, 2=>matblock(mat(I2), tag="id")), put(5, 2=>addlabel(X, "X")), control(5, (5,3), (2,4,1)=>put(3, (1,3)=>addlabel(SWAP, "SWAP")))]), filename=joinpath(@__DIR__, "multiqubit.png"))
+vizcircuit(chain(5, [put(5, (2,3)=>matblock(Matrix(SWAP), tag="SWAP")'), put(5, 2=>matblock(mat(I2), tag="id")), put(5, 2=>addlabel(X, "Xr")), control(5, (5,3), (2,4,1)=>put(3, (1,3)=>addlabel(SWAP, "SWAP")))]), filename=joinpath(@__DIR__, "multiqubit.png"))
 
 YaoPlots.darktheme!()
 YaoPlots.CircuitStyles.gate_bgcolor[] = "transparent"  # default is transparent

src/helperblock.jl

@@ -33,3 +33,18 @@ YaoBlocks.Optimise.to_basictypes(block::LabelBlock) = block
 export addlabel
 addlabel(b::AbstractBlock, str::String) = LabelBlock(b, str)
 
+# to fix issue 
+function YaoBlocks.print_tree(
+   io::IO,
+   root::AbstractBlock,
+   node::LabelBlock,
+   depth::Int = 1,
+   islast::Bool = false,
+   active_levels = ();
+   maxdepth = 5,
+   charset = YaoBlocks.BlockTreeCharSet(),
+   title = true,
+   compact = false,
+)
+   print(io, node.name)
+end