converting the metric to a string and then back into Lua, and
works with any type; with "Class::Metric=math.sin",
THEME:GetMetric("Class","Metric") will return the function sin().
converting the metric to a string and then back into Lua, and
works with any type; with "Class::Metric=math.sin",
THEME:GetMetric("Class","Metric") will return the function sin().