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UnaryPredicate

shrub_core::parser::ast

Enum UnaryPredicate 

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pub enum UnaryPredicate {

Show 24 variants    FileExists,
    FileExistsAndIsBlockSpecialFile,
    FileExistsAndIsCharSpecialFile,
    FileExistsAndIsDir,
    FileExistsAndIsRegularFile,
    FileExistsAndIsSetgid,
    FileExistsAndIsSymlink,
    FileExistsAndHasStickyBit,
    FileExistsAndIsFifo,
    FileExistsAndIsReadable,
    FileExistsAndIsNotZeroLength,
    FdIsOpenTerminal,
    FileExistsAndIsSetuid,
    FileExistsAndIsWritable,
    FileExistsAndIsExecutable,
    FileExistsAndOwnedByEffectiveGroupId,
    FileExistsAndModifiedSinceLastRead,
    FileExistsAndOwnedByEffectiveUserId,
    FileExistsAndIsSocket,
    ShellOptionEnabled,
    ShellVariableIsSetAndAssigned,
    ShellVariableIsSetAndNameRef,
    StringHasZeroLength,
    StringHasNonZeroLength,

}
Expand description

A unary predicate usable in an extended test expression.

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FileExists

Computes if the operand is a path to an existing file.

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FileExistsAndIsBlockSpecialFile

Computes if the operand is a path to an existing block device file.

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FileExistsAndIsCharSpecialFile

Computes if the operand is a path to an existing character device file.

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FileExistsAndIsDir

Computes if the operand is a path to an existing directory.

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FileExistsAndIsRegularFile

Computes if the operand is a path to an existing regular file.

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FileExistsAndIsSetgid

Computes if the operand is a path to an existing file with the setgid bit set.

Computes if the operand is a path to an existing symbolic link.

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FileExistsAndHasStickyBit

Computes if the operand is a path to an existing file with the sticky bit set.

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FileExistsAndIsFifo

Computes if the operand is a path to an existing FIFO file.

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FileExistsAndIsReadable

Computes if the operand is a path to an existing file that is readable.

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FileExistsAndIsNotZeroLength

Computes if the operand is a path to an existing file with a non-zero length.

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FdIsOpenTerminal

Computes if the operand is a file descriptor that is an open terminal.

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FileExistsAndIsSetuid

Computes if the operand is a path to an existing file with the setuid bit set.

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FileExistsAndIsWritable

Computes if the operand is a path to an existing file that is writable.

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FileExistsAndIsExecutable

Computes if the operand is a path to an existing file that is executable.

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FileExistsAndOwnedByEffectiveGroupId

Computes if the operand is a path to an existing file owned by the current context’s effective group ID.

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FileExistsAndModifiedSinceLastRead

Computes if the operand is a path to an existing file that has been modified since last being read.

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FileExistsAndOwnedByEffectiveUserId

Computes if the operand is a path to an existing file owned by the current context’s effective user ID.

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FileExistsAndIsSocket

Computes if the operand is a path to an existing socket file.

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ShellOptionEnabled

Computes if the operand is a ‘set -o’ option that is enabled.

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ShellVariableIsSetAndAssigned

Computes if the operand names a shell variable that is set and assigned a value.

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ShellVariableIsSetAndNameRef

Computes if the operand names a shell variable that is set and of nameref type.

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StringHasZeroLength

Computes if the operand is a string with zero length.

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StringHasNonZeroLength

Computes if the operand is a string with non-zero length.

Trait Implementations§

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impl Clone for UnaryPredicate

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fn clone(&self) -> UnaryPredicate

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for UnaryPredicate

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

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for UnaryPredicate

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fn deserialize<__D>( __deserializer: __D, ) -> Result<UnaryPredicate, <__D as Deserializer<'de>>::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Display for UnaryPredicate

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

Formats the value using the given formatter. Read more
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impl Eq for UnaryPredicate

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impl PartialEq for UnaryPredicate

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fn eq(&self, other: &UnaryPredicate) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl Serialize for UnaryPredicate

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fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for UnaryPredicate

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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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,

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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self> ⓘ

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self> ⓘ

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

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

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.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘ
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more