bjoernager/rust
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Implement FixedSizeEncoding for UnusedGenericParams.

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This commit is contained in:
Camille GILLOT 2023-03-18 18:53:07 +00:00
parent f177b7cb91
commit 38be6f2cbb
5 changed files with 43 additions and 14 deletions
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14
compiler/rustc_middle/src/ty/instance.rs
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@ -781,6 +781,12 @@ fn needs_fn_once_adapter_shim(
#[derive(Debug, Copy, Clone, Eq, PartialEq, Decodable, Encodable, HashStable)]
pub struct UnusedGenericParams(FiniteBitSet<u32>);
impl Default for UnusedGenericParams {
fn default() -> Self {
UnusedGenericParams::new_all_used()
}
}
impl UnusedGenericParams {
pub fn new_all_unused(amount: u32) -> Self {
let mut bitset = FiniteBitSet::new_empty();
@ -807,4 +813,12 @@ impl UnusedGenericParams {
pub fn all_used(&self) -> bool {
self.0.is_empty()
}
pub fn bits(&self) -> u32 {
self.0.0
}
pub fn from_bits(bits: u32) -> UnusedGenericParams {
UnusedGenericParams(FiniteBitSet(bits))
}
}