restore a little more 1.36 stuff

Cargo.toml

@@ -3,7 +3,7 @@ name = "tinyvec"
 description = "Just, really the littlest Vec you could need. So smol."
 version = "0.0.1-alpha.0"
 authors = ["Lokathor <zefria@gmail.com>"]
-#edition = "2018" # until our min version is allowed to go up, 2015 it is.
+edition = "2018"
 license = "Zlib"
 keywords = ["vec", "no_std", "smol"]
 categories = ["data-structures", "no-std"]

src/lib.rs

@@ -23,7 +23,7 @@ enum Payload<T: Default> {
 /// A `TinyVec<T>` is like a `Vec<T>`, but it will store up to 8 elements
 /// "inline" on the stack before transitioning into being a normal `Vec<T>`.
 #[derive(Debug, Clone)]
-#[cfg_attr(feature = "rustc_28", repr(transparent))]
+#[repr(transparent)]
 pub struct TinyVec<T: Default>(Payload<T>);
 
 // TODO: impl a better Debug