Use existing slice_pattern feature for SlicePattern
Use existing slice_pattern feature for SlicePattern

Co-authored-by: Ashley Mannix <36de5817908b8ffe395b7cfe2f12c3c2498727d4@hey.com>
aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust