From 53b0bf1d5afefb9ea02ff4f5fcfb2bd9937cb65a Mon Sep 17 00:00:00 2001
From: Michael Griebling <sam@c-inspirations.com>
Date: Wed, 22 Feb 2023 10:37:59 -0500
Subject: [PATCH] Fix issue when there are no variants.

---
 Sources/SwiftMath/MathRender/MTFontMathTable.swift | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/Sources/SwiftMath/MathRender/MTFontMathTable.swift b/Sources/SwiftMath/MathRender/MTFontMathTable.swift
index 545e731..83b73f4 100644
--- a/Sources/SwiftMath/MathRender/MTFontMathTable.swift
+++ b/Sources/SwiftMath/MathRender/MTFontMathTable.swift
@@ -203,15 +203,15 @@ class MTFontMathTable {
     
     func getVariantsForGlyph(_ glyph: CGGlyph, inDictionary variants:NSDictionary?) -> [NSNumber] {
         let glyphName = self.font!.get(nameForGlyph: glyph)
-        let variantGlyphs = variants![glyphName] as! NSArray?
+        let variantGlyphs = variants![glyphName] as! NSArray
         var glyphArray = [NSNumber]()
-        if variantGlyphs == nil {
+        if variantGlyphs.count == 0 {
             // There are no extra variants, so just add the current glyph to it.
             let glyph = self.font!.get(glyphWithName: glyphName)
             glyphArray.append(NSNumber(value:glyph))
             return glyphArray
         }
-        for gvn in variantGlyphs! {
+        for gvn in variantGlyphs {
             let glyphVariantName = gvn as! String?
             let variantGlyph = self.font?.get(glyphWithName: glyphVariantName!)
             glyphArray.append(NSNumber(value:variantGlyph!))
@@ -225,13 +225,13 @@ class MTFontMathTable {
     func getLargerGlyph(_ glyph:CGGlyph) -> CGGlyph {
         let variants = _mathTable[kVertVariants] as! NSDictionary?
         let glyphName = self.font?.get(nameForGlyph: glyph)
-        let variantGlyphs = variants![glyphName!] as! NSArray?
-        if variantGlyphs == nil {
+        let variantGlyphs = variants![glyphName!] as! NSArray
+        if variantGlyphs.count == 0 {
             // There are no extra variants, so just returnt the current glyph.
             return glyph
         }
         // Find the first variant with a different name.
-        for gvn in variantGlyphs! {
+        for gvn in variantGlyphs {
             let glyphVariantName = gvn as! String?
             if glyphVariantName != glyphName {
                 let variantGlyph = self.font?.get(glyphWithName: glyphVariantName!)