Struct GrantScope 

pub struct GrantScope { /* private fields */ }

请求级授权快照（B2 特性，与 SaTokenContext 平行存储）

Request-scoped authorization snapshot (B2 feature, stored in parallel with SaTokenContext).

内部用 Arc<RwLock<HashMap>>：SaTokenContext::current_grant_scope 返回的是 克隆，但克隆共享同一份数据，因此在请求任意位置写入都能被后续读取看到。

Backed by Arc<RwLock<HashMap>>: current_grant_scope hands out clones that share one map, so a write anywhere in the request is visible to later reads.

Implementations

impl GrantScope

pub fn new() -> Self

创建空快照 | Create an empty snapshot

pub fn get(&self, key: &str) -> Option<Arc<[String]>>

读取快照项 | Read an entry

pub fn put(&self, key: String, value: Arc<[String]>)

写入快照项 | Store an entry

pub fn remove(&self, key: &str)

移除快照项（权限写操作后调用，使请求立即看到新值）

Remove an entry after a write so the request sees the new value at once.

pub fn clear(&self)

清空快照 | Clear the snapshot

pub async fn run<F, T>(scope: Self, future: F) -> T

where F: Future<Output = T>,

在给定 Future 期间挂载本快照（独立 API，兼容 B2）

Mounts this snapshot for the duration of a future (standalone API, B2 compat).

优先使用 SaTokenContext::scope（正常 Web 请求同时需要 token + grant）。 Prefer SaTokenContext::scope for normal Web requests needing both token and grant.

Trait Implementations

impl Clone for GrantScope

fn clone(&self) -> GrantScope

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for GrantScope

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for GrantScope

fn default() -> GrantScope

Returns the “default value” for a type.