Disable simdutf8 by default, release 0.6.3

bytecheck/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "bytecheck"
-version = "0.6.2"
+version = "0.6.3"
 authors = ["David Koloski <djkoloski@gmail.com>"]
 edition = "2018"
 description = "Derive macro for bytecheck"
@@ -14,9 +14,9 @@ readme = "crates-io.md"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-bytecheck_derive = { version = "=0.6.2", path = "../bytecheck_derive", default-features = false }
+bytecheck_derive = { version = "=0.6.3", path = "../bytecheck_derive", default-features = false }
 ptr_meta = "0.1"
-simdutf8 = { version = "0.1", default-features = false }
+simdutf8 = { version = "0.1", default-features = false, optional = true }
 
 # Support for various common crates. These are primarily to get users off the ground and build some
 # momentum.
@@ -30,4 +30,5 @@ uuid = { version = "0.8", optional = true }
 [features]
 default = ["std"]
 verbose = []
-std = ["bytecheck_derive/std", "simdutf8/std"]
+simdutf8_std = ["simdutf8/std"]
+std = ["bytecheck_derive/std"]

bytecheck/src/lib.rs

@@ -137,9 +137,11 @@ use core::{
     ops, ptr, slice,
 };
 use ptr_meta::PtrExt;
-#[cfg(not(feature = "verbose"))]
+#[cfg(not(feature = "simdutf8"))]
+use core::str::{from_utf8, Utf8Error};
+#[cfg(all(feature = "simdutf8", not(feature = "verbose")))]
 use simdutf8::basic::{from_utf8, Utf8Error};
-#[cfg(feature = "verbose")]
+#[cfg(all(feature = "simdutf8", feature = "verbose"))]
 use simdutf8::compat::{from_utf8, Utf8Error};
 
 pub use bytecheck_derive::CheckBytes;

bytecheck_derive/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "bytecheck_derive"
-version = "0.6.2"
+version = "0.6.3"
 authors = ["David Koloski <djkoloski@gmail.com>"]
 edition = "2018"
 description = "Derive macro for bytecheck"