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// This file is part of ICU4X. For terms of use, please see the file
// called LICENSE at the top level of the ICU4X source tree
// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
use crate::{ule::VarULE, VarZeroSlice, VarZeroVec};
use databake::*;
impl<T: VarULE + ?Sized> Bake for VarZeroVec<'_, T> {
fn bake(&self, env: &CrateEnv) -> TokenStream {
env.insert("zerovec");
if self.is_empty() {
quote! { zerovec::VarZeroVec::new() }
} else {
let bytes = databake::Bake::bake(&self.as_bytes(), env);
// Safe because self.as_bytes is a safe input
quote! { unsafe { zerovec::VarZeroVec::from_bytes_unchecked(#bytes) } }
}
}
}
impl<T: VarULE + ?Sized> Bake for &VarZeroSlice<T> {
fn bake(&self, env: &CrateEnv) -> TokenStream {
env.insert("zerovec");
if self.is_empty() {
quote! { zerovec::VarZeroSlice::new_empty() }
} else {
let bytes = databake::Bake::bake(&self.as_bytes(), env);
// Safe because self.as_bytes is a safe input
quote! { unsafe { zerovec::VarZeroSlice::from_bytes_unchecked(#bytes) } }
}
}
}
#[test]
fn test_baked_vec() {
test_bake!(
VarZeroVec<str>,
const: crate::VarZeroVec::new(),
zerovec
);
test_bake!(
VarZeroVec<str>,
const: unsafe {
crate::VarZeroVec::from_bytes_unchecked(
b"\x02\x01\0\x16\0M\x01\\\x11"
)
},
zerovec
);
}
#[test]
fn test_baked_slice() {
test_bake!(
&VarZeroSlice<str>,
const: crate::VarZeroSlice::new_empty(),
zerovec
);
test_bake!(
&VarZeroSlice<str>,
const: unsafe {
crate::VarZeroSlice::from_bytes_unchecked(
b"\x02\x01\0\x16\0M\x01\\\x11"
)
},
zerovec
);
}
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