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task_state: Generate the list of task types

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Also fix warnings.
This commit is contained in:
Keegan McAllister 2014-10-24 16:31:51 -07:00
parent 49234484d6
commit 4dee8ecdf0
1 changed files with 10 additions and 10 deletions
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20
components/util/task_state.rs
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@ -27,21 +27,21 @@ bitflags! {
} }
} }
// Exactly one of these should be set. macro_rules! task_types ( ( $( $fun:ident = $flag:ident ; )* ) => (
static task_types: &'static [TaskState]
= &[Script, Layout, Render];
macro_rules! predicates ( ( $( $f:ident = $c:ident ; )* ) => (
impl TaskState { impl TaskState {
$( $(
pub fn $f(self) -> bool { pub fn $fun(self) -> bool {
self.contains($c) self.contains($flag)
} }
)* )*
} }
#[cfg(not(ndebug))]
static TYPES: &'static [TaskState]
= &[ $( $flag ),* ];
)) ))
predicates! { task_types! {
is_script = Script; is_script = Script;
is_layout = Layout; is_layout = Layout;
is_render = Render; is_render = Render;
@ -49,7 +49,7 @@ predicates! {
#[cfg(not(ndebug))] #[cfg(not(ndebug))]
mod imp { mod imp {
use super::{TaskState, task_types}; use super::{TaskState, TYPES};
local_data_key!(STATE: TaskState) local_data_key!(STATE: TaskState)
@ -68,7 +68,7 @@ mod imp {
}; };
// Exactly one of the task type flags should be set. // Exactly one of the task type flags should be set.
assert_eq!(1, task_types.iter().filter(|&&ty| state.contains(ty)).count()); assert_eq!(1, TYPES.iter().filter(|&&ty| state.contains(ty)).count());
state state
} }