sstring.h
/**
	 * Delete char at position 'idx'; slide subsequent chars up.
	 */
Delete char at position 'idx'; slide subsequent chars up.
Delete char at position ' idx ' ; slide subsequent chars up .
void remove(size_t idx) {
		assert_lt(idx, len_);
		assert_gt(len_, 0);
		for(size_t i = idx; i < len_-1; i++) {
			cs_[i] = cs_[i+1];
		}
		len_--;
	}
void remove ( size_t idx ) { assert_lt ( idx , len_ ) ; assert_gt ( len_ , 0 ) ; for ( size_t i = idx ; i < len_ - 1 ; i ++ ) { cs_ [ i ] = cs_ [ i + 1 ] ; } len_ -- ; }
Delete char at position 'idx'; slide subsequent chars up.
Delete char at position ' idx ' ; slide subsequent chars up .