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authorValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
committerValentin Popov <valentin@popov.link>2024-07-19 15:37:58 +0300
commita990de90fe41456a23e58bd087d2f107d321f3a1 (patch)
tree15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/once_cell/examples/lazy_static.rs
parent3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff)
downloadfparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz
fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip
Deleted vendor folder
Diffstat (limited to 'vendor/once_cell/examples/lazy_static.rs')
-rw-r--r--vendor/once_cell/examples/lazy_static.rs36
1 files changed, 0 insertions, 36 deletions
diff --git a/vendor/once_cell/examples/lazy_static.rs b/vendor/once_cell/examples/lazy_static.rs
deleted file mode 100644
index 3cdb19f..0000000
--- a/vendor/once_cell/examples/lazy_static.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-extern crate once_cell;
-
-use once_cell::sync::{Lazy, OnceCell};
-use std::collections::HashMap;
-
-static HASHMAP: Lazy<HashMap<u32, &'static str>> = Lazy::new(|| {
- let mut m = HashMap::new();
- m.insert(0, "foo");
- m.insert(1, "bar");
- m.insert(2, "baz");
- m
-});
-
-// Same, but completely without macros
-fn hashmap() -> &'static HashMap<u32, &'static str> {
- static INSTANCE: OnceCell<HashMap<u32, &'static str>> = OnceCell::new();
- INSTANCE.get_or_init(|| {
- let mut m = HashMap::new();
- m.insert(0, "foo");
- m.insert(1, "bar");
- m.insert(2, "baz");
- m
- })
-}
-
-fn main() {
- // First access to `HASHMAP` initializes it
- println!("The entry for `0` is \"{}\".", HASHMAP.get(&0).unwrap());
-
- // Any further access to `HASHMAP` just returns the computed value
- println!("The entry for `1` is \"{}\".", HASHMAP.get(&1).unwrap());
-
- // The same works for function-style:
- assert_eq!(hashmap().get(&0), Some(&"foo"));
- assert_eq!(hashmap().get(&1), Some(&"bar"));
-}