Struct sp_std::Writer

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pub struct Writer(_);

Expand description

A target for core::write! macro - constructs a string in memory.

Implementations

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impl Writer

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pub fn inner(&self) -> &Vec<u8>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

Access the content of this Writer e.g. for printout

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pub fn into_inner(self) -> Vec<u8>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

Convert into the content of this Writer

Trait Implementations

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impl Default for Writer

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fn default() -> Writer

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

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impl Write for Writer

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fn write_str(&mut self, s: &str) -> Result

Writes a string slice into this writer, returning whether the write succeeded. Read more

1.1.0 · source

fn write_char(&mut self, c: char) -> Result<(), Error>

Writes a char into this writer, returning whether the write succeeded. Read more

1.0.0 · source

fn write_fmt(&mut self, args: Arguments<'_>) -> Result<(), Error>

Glue for usage of the write! macro with implementors of this trait. Read more

Auto Trait Implementations

impl RefUnwindSafe for Writer

impl Send for Writer

impl Sync for Writer

impl Unpin for Writer

impl UnwindSafe for Writer

Blanket Implementations

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

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pub 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,

const: unstable · source

pub 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,

const: unstable · source

pub 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

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source

pub 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 for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct sp_std::Writer

Implementations

impl Writer

pub fn inner(&self) -> &Vec<u8>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

pub fn into_inner(self) -> Vec<u8>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

Trait Implementations

impl Default for Writer

fn default() -> Writer

impl Write for Writer

fn write_str(&mut self, s: &str) -> Result

fn write_char(&mut self, c: char) -> Result<(), Error>

fn write_fmt(&mut self, args: Arguments<'_>) -> Result<(), Error>

Auto Trait Implementations

impl RefUnwindSafe for Writer

impl Send for Writer

impl Sync for Writer

impl Unpin for Writer

impl UnwindSafe for Writer

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

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

type Error = Infallible

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

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

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

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

Struct sp_std::Writer

Implementations

impl Writer

pub fn inner(&self) -> &Vec<u8>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

pub fn into_inner(self) -> Vec<u8>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

Trait Implementations

impl Default for Writer

fn default() -> Writer

impl Write for Writer

fn write_str(&mut self, s: &str) -> Result

fn write_char(&mut self, c: char) -> Result<(), Error>

fn write_fmt(&mut self, args: Arguments<'_>) -> Result<(), Error>

Auto Trait Implementations

impl RefUnwindSafe for Writer

impl Send for Writer

impl Sync for Writer

impl Unpin for Writer

impl UnwindSafe for Writer

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

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

type Error = Infallible

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

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

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

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

pub fn inner(&self) -> &Vec<u8>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

pub fn into_inner(self) -> Vec<u8>ⓘNotable traits for Vec<u8, A>`impl<A> Write for Vec<u8, A> where A: Allocator,`

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

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

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

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

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

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