Struct printf_wrap::PrintfFmt

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pub struct PrintfFmt<T: PrintfArgs> { /* private fields */ }

Expand description

A type-safe wrapper around a C-style string verified to be compatible with use as a format string for printf(3)-style functions called with T as the varargs.

Implementations

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impl<T: PrintfArgs> PrintfFmt<T>

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pub const fn new_or_panic(fmt: &'static str) -> Self

If fmt represents a valid, supported format string for printf(3) when given Rust-side arguments T, returns a PrintfFmt; panics otherwise.

Panics

See above.

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pub const fn new(fmt: &'static str) -> Result<Self, ()>

If fmt represents a valid, supported format string for printf(3) when given Rust-side arguments T, returns it as a PrintfFmt.

Errors

Returns Err(()) if fmt is not a valid, supported format string corresponding to varargs T.

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pub const fn as_ptr(self) -> *const c_char

Returns a pointer to the beginning of the format string.

Trait Implementations

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impl<T: PrintfArgs> Clone for PrintfFmt<T>

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fn clone(&self) -> Self

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

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impl<T: Debug + PrintfArgs> Debug for PrintfFmt<T>

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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<T: PrintfArgs> Copy for PrintfFmt<T>

Auto Trait Implementations

impl<T> RefUnwindSafe for PrintfFmt<T> where
T: RefUnwindSafe,

impl<T> !Send for PrintfFmt<T>

impl<T> !Sync for PrintfFmt<T>

impl<T> Unpin for PrintfFmt<T> where
T: Unpin,

impl<T> UnwindSafe for PrintfFmt<T> where
T: UnwindSafe,

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,

const: unstable · source

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

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

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

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> ToOwned for T where
T: Clone,

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

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

Performs the conversion.

Struct printf_wrap::PrintfFmt

Implementations

impl<T: PrintfArgs> PrintfFmt<T>

pub const fn new_or_panic(fmt: &'static str) -> Self

pub const fn new(fmt: &'static str) -> Result<Self, ()>

pub const fn as_ptr(self) -> *const c_char

Trait Implementations

impl<T: PrintfArgs> Clone for PrintfFmt<T>

fn clone(&self) -> Self

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

impl<T: Debug + PrintfArgs> Debug for PrintfFmt<T>

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

impl<T: PrintfArgs> Copy for PrintfFmt<T>

Auto Trait Implementations

impl<T> RefUnwindSafe for PrintfFmt<T> where T: RefUnwindSafe,

impl<T> !Send for PrintfFmt<T>

impl<T> !Sync for PrintfFmt<T>

impl<T> Unpin for PrintfFmt<T> where T: Unpin,

impl<T> UnwindSafe for PrintfFmt<T> where T: UnwindSafe,

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

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

type Owned = T

fn to_owned(&self) -> T

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

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

type Error = Infallible

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

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

impl<T> RefUnwindSafe for PrintfFmt<T> where
T: RefUnwindSafe,

impl<T> Unpin for PrintfFmt<T> where
T: Unpin,

impl<T> UnwindSafe for PrintfFmt<T> where
T: UnwindSafe,

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> ToOwned for T where
T: Clone,

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

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