diff options
Diffstat (limited to 'vendor/zerovec/src/zerovec/databake.rs')
| -rw-r--r-- | vendor/zerovec/src/zerovec/databake.rs | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/vendor/zerovec/src/zerovec/databake.rs b/vendor/zerovec/src/zerovec/databake.rs index 0643ddb40..e46065c38 100644 --- a/vendor/zerovec/src/zerovec/databake.rs +++ b/vendor/zerovec/src/zerovec/databake.rs @@ -12,8 +12,12 @@ where { fn bake(&self, env: &CrateEnv) -> TokenStream { env.insert("zerovec"); - let bytes = self.as_bytes(); - quote! { unsafe { ::zerovec::ZeroVec::from_bytes_unchecked(&[#(#bytes),*]) } } + if self.is_empty() { + quote! { ::zerovec::ZeroVec::new() } + } else { + let bytes = databake::Bake::bake(&self.as_bytes(), env); + quote! { unsafe { ::zerovec::ZeroVec::from_bytes_unchecked(#bytes) } } + } } } @@ -23,8 +27,12 @@ where { fn bake(&self, env: &CrateEnv) -> TokenStream { env.insert("zerovec"); - let bytes = self.as_bytes(); - quote! { unsafe { ::zerovec::ZeroSlice::from_bytes_unchecked(&[#(#bytes),*]) } } + if self.is_empty() { + quote! { ::zerovec::ZeroSlice::new_empty() } + } else { + let bytes = databake::Bake::bake(&self.as_bytes(), env); + quote! { unsafe { ::zerovec::ZeroSlice::from_bytes_unchecked(#bytes) } } + } } } @@ -32,8 +40,13 @@ where fn test_baked_vec() { test_bake!( ZeroVec<u32>, + const: crate::ZeroVec::new(), + zerovec + ); + test_bake!( + ZeroVec<u32>, const: unsafe { - crate::ZeroVec::from_bytes_unchecked(&[2u8, 1u8, 0u8, 22u8, 0u8, 77u8, 1u8, 92u8]) + crate::ZeroVec::from_bytes_unchecked(b"\x02\x01\0\x16\0M\x01\\") }, zerovec ); @@ -43,8 +56,13 @@ fn test_baked_vec() { fn test_baked_slice() { test_bake!( &ZeroSlice<u32>, + const: crate::ZeroSlice::new_empty(), + zerovec + ); + test_bake!( + &ZeroSlice<u32>, const: unsafe { - crate::ZeroSlice::from_bytes_unchecked(&[2u8, 1u8, 0u8, 22u8, 0u8, 77u8, 1u8, 92u8]) + crate::ZeroSlice::from_bytes_unchecked(b"\x02\x01\0\x16\0M\x01\\") }, zerovec ); |