Add is_short_pattern()
Add is_short_pattern()

graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,SingingTree/rustfmt,aidancully/rust,graydon/rust,aidancully/rust,rust-lang/rustfmt,aidancully/rust,rust-lang/rustfmt,graydon/rust,SingingTree/rustfmt,aidancully/rust,graydon/rust