diff options
author | Aspen Smith <grfn@gws.fyi> | 2024-02-12T03·00-0500 |
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committer | clbot <clbot@tvl.fyi> | 2024-02-14T19·37+0000 |
commit | 82ecd61f5c699cf3af6c4eadf47a1c52b1d696c6 (patch) | |
tree | 429c5e078528000591742ec3211bc768ae913a78 /users/grfn/achilles/src/common/env.rs | |
parent | 0ba476a4266015f278f18d74094299de74a5a111 (diff) |
chore(users): grfn -> aspen r/7511
Change-Id: I6c6847fac56f0a9a1a2209792e00a3aec5e672b9 Reviewed-on: https://cl.tvl.fyi/c/depot/+/10809 Autosubmit: aspen <root@gws.fyi> Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI Reviewed-by: lukegb <lukegb@tvl.fyi>
Diffstat (limited to 'users/grfn/achilles/src/common/env.rs')
-rw-r--r-- | users/grfn/achilles/src/common/env.rs | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/users/grfn/achilles/src/common/env.rs b/users/grfn/achilles/src/common/env.rs deleted file mode 100644 index 59a5e46c466f..000000000000 --- a/users/grfn/achilles/src/common/env.rs +++ /dev/null @@ -1,59 +0,0 @@ -use std::borrow::Borrow; -use std::collections::HashMap; -use std::hash::Hash; -use std::mem; - -/// A lexical environment -#[derive(Debug, PartialEq, Eq)] -pub struct Env<K: Eq + Hash, V>(Vec<HashMap<K, V>>); - -impl<K, V> Default for Env<K, V> -where - K: Eq + Hash, -{ - fn default() -> Self { - Self::new() - } -} - -impl<K, V> Env<K, V> -where - K: Eq + Hash, -{ - pub fn new() -> Self { - Self(vec![Default::default()]) - } - - pub fn push(&mut self) { - self.0.push(Default::default()); - } - - pub fn pop(&mut self) { - self.0.pop(); - } - - pub fn save(&mut self) -> Self { - mem::take(self) - } - - pub fn restore(&mut self, saved: Self) { - *self = saved; - } - - pub fn set(&mut self, k: K, v: V) { - self.0.last_mut().unwrap().insert(k, v); - } - - pub fn resolve<'a, Q>(&'a self, k: &Q) -> Option<&'a V> - where - K: Borrow<Q>, - Q: Hash + Eq + ?Sized, - { - for ctx in self.0.iter().rev() { - if let Some(res) = ctx.get(k) { - return Some(res); - } - } - None - } -} |