pub unsafe extern "C-unwind" fn CFAttributedStringSetAttribute(
a_str: Option<&CFMutableAttributedString>,
range: CFRange,
attr_name: Option<&CFString>,
value: Option<&CFType>,
)Available on crate features
CFAttributedString and CFBase only.Expand description
Sets the value of a single attribute over the specified range, which should be valid. value should not be NULL.