Struct Open

Source
pub struct Open { /* private fields */ }
Expand description

Flags for Gdbm::new

Implementations§

Source§

impl Open

Source

pub const READER: Open

Read only database access

Source

pub const WRITER: Open

Read and Write access to the database

Source

pub const WRCREAT: Open

Read, write and create the database if it does not already exist

Source

pub const NEWDB: Open

Create a new database regardless of whether one exised. Gives read and write access

Source

pub const FAST: Open

Source

pub const SYNC: Open

Sync all operations to disk

Source

pub const NOLOCK: Open

Prevents the library from locking the database file

Source

pub const fn empty() -> Open

Returns an empty set of flags

Source

pub const fn all() -> Open

Returns the set containing all flags.

Source

pub const fn bits(&self) -> c_uint

Returns the raw value of the flags currently stored.

Source

pub fn from_bits(bits: c_uint) -> Option<Open>

Convert from underlying bit representation, unless that representation contains bits that do not correspond to a flag.

Source

pub const fn from_bits_truncate(bits: c_uint) -> Open

Convert from underlying bit representation, dropping any bits that do not correspond to flags.

Source

pub const unsafe fn from_bits_unchecked(bits: c_uint) -> Open

Convert from underlying bit representation, preserving all bits (even those not corresponding to a defined flag).

Source

pub const fn is_empty(&self) -> bool

Returns true if no flags are currently stored.

Source

pub const fn is_all(&self) -> bool

Returns true if all flags are currently set.

Source

pub const fn intersects(&self, other: Open) -> bool

Returns true if there are flags common to both self and other.

Source

pub const fn contains(&self, other: Open) -> bool

Returns true all of the flags in other are contained within self.

Source

pub fn insert(&mut self, other: Open)

Inserts the specified flags in-place.

Source

pub fn remove(&mut self, other: Open)

Removes the specified flags in-place.

Source

pub fn toggle(&mut self, other: Open)

Toggles the specified flags in-place.

Source

pub fn set(&mut self, other: Open, value: bool)

Inserts or removes the specified flags depending on the passed value.

Trait Implementations§

Source§

impl Binary for Open

Source§

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

Formats the value using the given formatter. Read more
Source§

impl BitAnd for Open

Source§

fn bitand(self, other: Open) -> Open

Returns the intersection between the two sets of flags.

Source§

type Output = Open

The resulting type after applying the & operator.
Source§

impl BitAndAssign for Open

Source§

fn bitand_assign(&mut self, other: Open)

Disables all flags disabled in the set.

Source§

impl BitOr for Open

Source§

fn bitor(self, other: Open) -> Open

Returns the union of the two sets of flags.

Source§

type Output = Open

The resulting type after applying the | operator.
Source§

impl BitOrAssign for Open

Source§

fn bitor_assign(&mut self, other: Open)

Adds the set of flags.

Source§

impl BitXor for Open

Source§

fn bitxor(self, other: Open) -> Open

Returns the left flags, but with all the right flags toggled.

Source§

type Output = Open

The resulting type after applying the ^ operator.
Source§

impl BitXorAssign for Open

Source§

fn bitxor_assign(&mut self, other: Open)

Toggles the set of flags.

Source§

impl Clone for Open

Source§

fn clone(&self) -> Open

Returns a copy of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
Source§

impl Debug for Open

Source§

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

Formats the value using the given formatter. Read more
Source§

impl Extend<Open> for Open

Source§

fn extend<T: IntoIterator<Item = Open>>(&mut self, iterator: T)

Extends a collection with the contents of an iterator. Read more
Source§

fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)
Extends a collection with exactly one element.
Source§

fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)
Reserves capacity in a collection for the given number of additional elements. Read more
Source§

impl FromIterator<Open> for Open

Source§

fn from_iter<T: IntoIterator<Item = Open>>(iterator: T) -> Open

Creates a value from an iterator. Read more
Source§

impl Hash for Open

Source§

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
1.3.0 · Source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
Source§

impl LowerHex for Open

Source§

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

Formats the value using the given formatter. Read more
Source§

impl Not for Open

Source§

fn not(self) -> Open

Returns the complement of this set of flags.

Source§

type Output = Open

The resulting type after applying the ! operator.
Source§

impl Octal for Open

Source§

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

Formats the value using the given formatter. Read more
Source§

impl Ord for Open

Source§

fn cmp(&self, other: &Open) -> Ordering

This method returns an Ordering between self and other. Read more
1.21.0 · Source§

fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
1.21.0 · Source§

fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
1.50.0 · Source§

fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
Source§

impl PartialEq for Open

Source§

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
Source§

impl PartialOrd for Open

Source§

fn partial_cmp(&self, other: &Open) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
1.0.0 · Source§

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

Tests less than (for self and other) and is used by the < operator. Read more
1.0.0 · Source§

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

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
1.0.0 · Source§

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

Tests greater than (for self and other) and is used by the > operator. Read more
1.0.0 · Source§

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

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
Source§

impl Sub for Open

Source§

fn sub(self, other: Open) -> Open

Returns the set difference of the two sets of flags.

Source§

type Output = Open

The resulting type after applying the - operator.
Source§

impl SubAssign for Open

Source§

fn sub_assign(&mut self, other: Open)

Disables all flags enabled in the set.

Source§

impl UpperHex for Open

Source§

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

Formats the value using the given formatter. Read more
Source§

impl Copy for Open

Source§

impl Eq for Open

Source§

impl StructuralPartialEq for Open

Auto Trait Implementations§

§

impl Freeze for Open

§

impl RefUnwindSafe for Open

§

impl Send for Open

§

impl Sync for Open

§

impl Unpin for Open

§

impl UnwindSafe for Open

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

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

Mutably borrows from an owned value. Read more
Source§

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

Source§

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
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

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

Source§

fn into(self) -> U

Calls U::from(self).

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

Source§

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

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
Source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
Source§

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

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

Source§

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

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.