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MacroCallWatcher

Struct MacroCallWatcher 

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pub struct MacroCallWatcher { /* private fields */ }
Expand description

特定マクロの呼び出しを監視するシンプルな実装

フラグベースで呼び出しを検出し、引数も記録する。

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impl MacroCallWatcher

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pub fn new() -> Self

新しい MacroCallWatcher を作成

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pub fn take_called(&self) -> bool

フラグをチェックしてリセット

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pub fn take_args(&self) -> Option<Vec<String>>

最後の引数を取得してクリア

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pub fn clear(&self)

フラグと引数をクリア

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pub fn was_called(&self) -> bool

呼び出されたかどうか(リセットなし)

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pub fn last_args(&self) -> Option<Vec<String>>

最後の引数を取得(リセットなし)

Trait Implementations§

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impl Default for MacroCallWatcher

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl MacroCalledCallback for MacroCallWatcher

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fn on_macro_called( &mut self, args: Option<&[Vec<Token>]>, interner: &StringInterner, )

マクロが呼び出され、展開された後に呼ばれる Read more
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fn as_any(&self) -> &dyn Any

ダウンキャスト用
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fn as_any_mut(&mut self) -> &mut dyn Any

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.