| use crate::task::{Task, TaskLocalsWrapper}; |
| |
| /// Returns a handle to the current task. |
| /// |
| /// # Panics |
| /// |
| /// This function will panic if not called within the context of a task created by [`block_on`], |
| /// [`spawn`], or [`Builder::spawn`]. |
| /// |
| /// [`block_on`]: fn.block_on.html |
| /// [`spawn`]: fn.spawn.html |
| /// [`Builder::spawn`]: struct.Builder.html#method.spawn |
| /// |
| /// # Examples |
| /// |
| /// ``` |
| /// # async_std::task::block_on(async { |
| /// # |
| /// use async_std::task; |
| /// |
| /// println!("The name of this task is {:?}", task::current().name()); |
| /// # |
| /// # }) |
| /// ``` |
| pub fn current() -> Task { |
| TaskLocalsWrapper::get_current(|t| t.task().clone()) |
| .expect("`task::current()` called outside the context of a task") |
| } |
