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EnvAllowList

Struct EnvAllowList 

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

Allow access only to listed environment variable names.

use mlua_batteries::policy::EnvAllowList;

let policy = EnvAllowList::new(["HOME", "PATH", "LANG"]);

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impl EnvAllowList

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pub fn new<I, S>(keys: I) -> Self
where I: IntoIterator<Item = S>, S: Into<String>,

Create an allow-list for the given variable names.

By default, set is allowed for variables in the list.

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pub fn read_only(self) -> Self

Deny all env.set() calls regardless of key.

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impl Debug for EnvAllowList

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl EnvPolicy for EnvAllowList

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fn check_get(&self, key: &str) -> Result<(), PolicyError>

Validate read access to env var key. Read more
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fn check_set(&self, key: &str) -> Result<(), PolicyError>

Validate write access (overlay set) to env var key. Read more
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fn policy_name(&self) -> &'static str

Human-readable name for this policy, used in Debug output. Read more

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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
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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T, U> TryFrom<U> for 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
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type Error = <U as TryFrom<T>>::Error

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impl<T> MaybeSend for T