Struct EngineCtx

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pub struct EngineCtx<'a>(/* private fields */);
Expand description

Global Context used for variable replacement in Condition expressions.

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impl<'a> EngineCtx<'a>

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pub fn push_ctx(&mut self, ctx: impl ContextProvider + 'a) -> &mut Self

Assign new sub-context to the complete EngineCtx

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pub fn with_ctx(self, ctx: impl ContextProvider + 'a) -> Self

Assign new sub-context when building EngineCtx

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pub fn with_env(self) -> Self

Add EnvCtx when building EngineCtx

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pub fn with_time(self) -> Self

Add DateCtx when building EngineCtx

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pub fn fill(&mut self, expr: &str) -> &str

Return the equivalent value associated with the specified variable expression.

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pub fn replace_all(&mut self, expr: &str) -> String

Replace all variables within expression with data specified within with the EngineCtx and return the updated string.

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impl<'a> Default for EngineCtx<'a>

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fn default() -> EngineCtx<'a>

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

Auto Trait Implementations§

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impl<'a> Freeze for EngineCtx<'a>

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impl<'a> !RefUnwindSafe for EngineCtx<'a>

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impl<'a> !Send for EngineCtx<'a>

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impl<'a> !Sync for EngineCtx<'a>

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impl<'a> Unpin for EngineCtx<'a>

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impl<'a> !UnwindSafe for EngineCtx<'a>

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.