fix in preparation for nim-lang/Nim#14447

src/ggplotnim.nim

@@ -2106,7 +2106,6 @@ proc getLeftBottom(view: Viewport, annot: Annotation): tuple[left: float, bottom
                                        axis: akY,
                                        scale: view.yScale)).pos
 
-
 proc drawAnnotations*(view: var Viewport, p: GgPlot) =
   ## draws all annotations from `p` onto the mutable view `view`.
   # this is 0.5 times the string height. Margin between text and
@@ -2129,8 +2128,9 @@ proc drawAnnotations*(view: var Viewport, p: GgPlot) =
       marginH.pos * 2.0,
       unit = ukRelative)
     # find longest line of annotation to base background on
+    let font = annot.font # refs https://github.com/nim-lang/Nim/pull/14447
     let maxLine = annot.text.strip.splitLines.sortedByIt(
-      getStrWidth(it, annot.font).val
+      getStrWidth(it, font).val
     )[^1]
     let maxWidth = getStrWidth(maxLine, annot.font)
     # calculate required width for background rectangle. string width +

src/ggplotnim/postprocess_scales.nim

@@ -65,6 +65,8 @@ func mergeScales(s1, s2: ginger.Scale): ginger.Scale =
   else:
     result = s2
 
+from sugar import capture
+
 proc applyTransformations(df: var DataFrame, scales: seq[Scale]) =
   ## Given a sequence of scales applies all transformations of the `scales`.
   ## That is for each `scTransformedData` scale the according transformation
@@ -77,6 +79,7 @@ proc applyTransformations(df: var DataFrame, scales: seq[Scale]) =
   # transformations have been applied!
   var fns: seq[FormulaNode]
   for s in scales:
+    # let s = s # this would've also worked but less efficient
     if s.scKind == scTransformedData:
       when defined(defaultBackend):
         let col = evaluate(s.col)
@@ -85,7 +88,7 @@ proc applyTransformations(df: var DataFrame, scales: seq[Scale]) =
       else:
         # create a closureScope to capture the value of `s` and `col` instead
         # of the reference
-        closureScope:
+        capture(s): # refs https://github.com/nim-lang/Nim/pull/14447
           let col = evaluate(s.col)
           let colStr = getColName(s)
           # make a copy of `s` which we hand to the closure