pub unsafe extern "C-unwind" fn CFAttributedStringCreateWithSubstring(
alloc: Option<&CFAllocator>,
a_str: Option<&CFAttributedString>,
range: CFRange,
) -> Option<CFRetained<CFAttributedString>>Available on crate features
CFAttributedString and CFBase only.Expand description
Creates a sub-attributed string from the specified range. It’s a programming error for range to specify characters outside the bounds of aStr.