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NodeHost

Struct NodeHost 

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

Concrete Node-compatible capability state.

Environment and arguments are explicit rather than inherited from the embedding process, keeping executions independent of the invoking machine.

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impl NodeHost

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pub fn new() -> Self

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pub fn stdout(&self) -> &[u8]

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pub fn stderr(&self) -> &[u8]

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pub const fn exit_code(&self) -> i32

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pub fn set_argv(&mut self, argv: impl IntoIterator<Item = String>)

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pub fn argv(&self) -> &[String]

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pub fn env(&self, name: &str) -> Option<&str>

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pub fn set_env(&mut self, name: impl Into<String>, value: impl Into<String>)

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pub fn delete_env(&mut self, name: &str) -> bool

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pub fn set_script_compiler(&mut self, compiler: Box<dyn CompileProvider>)

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impl Default for NodeHost

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fn default() -> Self

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

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fn write_stdout(&mut self, bytes: &[u8])

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fn write_stderr(&mut self, bytes: &[u8])

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fn exit_code(&self) -> i32

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fn set_exit_code(&mut self, exit_code: i32)

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fn argv(&self) -> &[String]

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fn env(&self, name: &str) -> Option<&str>

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fn set_env(&mut self, name: &str, value: &str)

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fn delete_env(&mut self, name: &str) -> bool

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fn now_ms(&mut self) -> u64

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fn monotonic_ns(&mut self) -> u64

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fn random(&mut self) -> f64

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fn script_compiler(&mut self) -> Option<&mut (dyn CompileProvider + 'static)>

This host’s script compiler, or None when it provides none. Read more
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fn timers(&mut self) -> Option<&mut (dyn TimerProvider + 'static)>

This host’s timer scheduler, or None when it provides none. Read more
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fn hash(&mut self, algorithm: &str, data: &[u8]) -> Option<Vec<u8>>

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.