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macros: Use more consistent runtime names (#1628)

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As discussed in #1620, the attribute names for `#[tokio::main]` and
`#[tokio::test]` aren't great. Specifically, they both use
`single_thread` and `multi_thread`, as opposed to names that match the
runtime names: `current_thread` and `threadpool`. This PR changes the
former to the latter.

Fixes #1627.
This commit is contained in:
Jon Gjengset
2019-10-12 12:55:39 -04:00
committed by GitHub
parent 29f35df7f8
commit 1cae04f8b3
3 changed files with 17 additions and 17 deletions
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tokio-macros/src/lib.rs
+12 -12
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@@ -28,8 +28,8 @@ enum RuntimeType {
///
/// ## Options:
///
/// - `single_thread` - Uses `current_thread`.
/// - `multi_thread` - Uses multi-threaded runtime. Used by default.
/// - `current_thread` - Uses the `current_thread` runtime.
/// - `threadpool` - Uses the multi-threaded `threadpool` runtime. Used by default.
///
/// ## Function arguments:
///
@@ -40,7 +40,7 @@ enum RuntimeType {
/// ### Select runtime
///
/// ```rust
/// #[tokio::main(single_thread)]
/// #[tokio::main(current_thread)]
/// async fn main() {
/// println!("Hello world");
/// }
@@ -87,10 +87,10 @@ pub fn main(args: TokenStream, item: TokenStream) -> TokenStream {
return syn::Error::new_spanned(path, msg).to_compile_error().into();
}
match ident.unwrap().to_string().to_lowercase().as_str() {
"multi_thread" => runtime = RuntimeType::Multi,
"single_thread" => runtime = RuntimeType::Single,
"threadpool" => runtime = RuntimeType::Multi,
"current_thread" => runtime = RuntimeType::Single,
name => {
let msg = format!("Unknown attribute {} is specified; expected `single_thread` or `multi_thread`", name);
let msg = format!("Unknown attribute {} is specified; expected `current_thread` or `threadpool`", name);
return syn::Error::new_spanned(path, msg).to_compile_error().into();
}
}
@@ -126,15 +126,15 @@ pub fn main(args: TokenStream, item: TokenStream) -> TokenStream {
///
/// ## Options:
///
/// - `single_thread` - Uses `current_thread`. Used by default.
/// - `multi_thread` - Uses multi-threaded runtime.
/// - `current_thread` - Uses the `current_thread` runtime. Used by default.
/// - `threadpool` - Uses multi-threaded runtime.
///
/// ## Usage
///
/// ### Select runtime
///
/// ```no_run
/// #[tokio::test(multi_thread)]
/// #[tokio::test(threadpool)]
/// async fn my_test() {
/// assert!(true);
/// }
@@ -189,10 +189,10 @@ pub fn test(args: TokenStream, item: TokenStream) -> TokenStream {
return syn::Error::new_spanned(path, msg).to_compile_error().into();
}
match ident.unwrap().to_string().to_lowercase().as_str() {
"multi_thread" => runtime = RuntimeType::Multi,
"single_thread" => runtime = RuntimeType::Single,
"threadpool" => runtime = RuntimeType::Multi,
"current_thread" => runtime = RuntimeType::Single,
name => {
let msg = format!("Unknown attribute {} is specified; expected `single_thread` or `multi_thread`", name);
let msg = format!("Unknown attribute {} is specified; expected `current_thread` or `threadpool`", name);
return syn::Error::new_spanned(path, msg).to_compile_error().into();
}
}