trait ExtendFromWithinSpec {
// Required method
unsafe fn spec_extend_from_within(&mut self, src: Range<usize>);
}Required Methods§
Sourceunsafe fn spec_extend_from_within(&mut self, src: Range<usize>)
unsafe fn spec_extend_from_within(&mut self, src: Range<usize>)
§Safety
srcneeds to be valid indexself.capacity() - self.len()must be>= src.len()