Customizable math classes (#1681)

2 files changed, 33 insertions, 0 deletions

diff --git a/tests/ref/math/class.png b/tests/ref/math/class.png
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index 00000000..dffb6f7a
--- /dev/null
+++ b/tests/ref/math/class.png
diff --git a/tests/typ/math/class.typ b/tests/typ/math/class.typ
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+++ b/tests/typ/math/class.typ
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+// Test math classes.
+
+---
+// Test characters.
+$ a class("normal", +) b \
+  a class("binary", .) b \
+  lr(class("opening", \/) a/b class("closing", \\)) \
+  { x class("fence", \;) x > 0} \
+  a class("large", \/) b \
+  a class("punctuation", :) b \
+  a class("relation", ~) b \
+  a + class("unary", times) b \
+  class("vary", :) a class("vary", :) b $
+
+---
+// Test custom content.
+#let dotsq = square(
+  size: 0.7em,
+  stroke: 0.5pt,
+  align(center+horizon, circle(radius: 0.15em, fill: black))
+)
+
+$ a dotsq b \
+  a class("normal", dotsq) b \
+  a class("vary", dotsq) b \
+  a + class("vary", dotsq) b \
+  a class("punctuation", dotsq) b $
+
+---
+// Test nested.
+#let normal = math.class.with("normal")
+#let pluseq = $class("binary", normal(+) normal(=))$
+$ a pluseq 5 $