Buffer

Struct Buffer 

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pub struct Buffer<const N: usize> { /* private fields */ }
Expand description

Static buffer to hold written text.

Implementation of ToStr must write it from the end.

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impl<const N: usize> Buffer<N>

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pub const fn new() -> Self

Creates new instance

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pub const fn as_ptr(&self) -> *const u8

Returns pointer to the beginning of underlying buffer

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pub const fn capacity() -> usize

Returns buffer overall capacity.

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pub const fn as_str(&self) -> &str

Access str from underlying storage

Returns empty if nothing has been written into buffer yet.

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pub fn write<T: ToStr>(&mut self, val: T) -> &str

Formats value into buffer, returning text.

Buffer remembers the write, therefore as_str() will return the same text as last write

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pub fn format<T: ToStr>(&mut self, val: T) -> &str

Formats value into buffer, returning text.

Buffer remains unaware of modifications

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pub fn fmt<T: ToStr>(val: T) -> Self

Creates new instance with formatted value.

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impl<const N: usize> Buffer<N>

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pub const fn format_u8(&mut self, val: u8) -> &str

Specialized const format of u8 value into buffer, returning text.

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pub const fn fmt_u8(val: u8) -> Self

Creates new instance with formatted value.

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pub const fn format_u16(&mut self, val: u16) -> &str

Specialized const format of u16 value into buffer, returning text.

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pub const fn fmt_u16(val: u16) -> Self

Creates new instance with formatted value.

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pub const fn format_u32(&mut self, val: u32) -> &str

Specialized const format of u32 value into buffer, returning text.

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pub const fn fmt_u32(val: u32) -> Self

Creates new instance with formatted value.

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pub const fn format_u64(&mut self, val: u64) -> &str

Specialized const format of u64 value into buffer, returning text.

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pub const fn fmt_u64(val: u64) -> Self

Creates new instance with formatted value.

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pub const fn format_usize(&mut self, val: usize) -> &str

Specialized const format of usize value into buffer, returning text.

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pub const fn fmt_usize(val: usize) -> Self

Creates new instance with formatted value.

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pub const fn format_u128(&mut self, val: u128) -> &str

Specialized const format of u128 value into buffer, returning text.

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pub const fn fmt_u128(val: u128) -> Self

Creates new instance with formatted value.

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impl<const N: usize> Buffer<N>

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pub const fn format_i8(&mut self, val: i8) -> &str

Specialized const format of i8 value into buffer, returning text.

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pub const fn fmt_i8(val: i8) -> Self

Creates new instance with formatted value.

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pub const fn format_i16(&mut self, val: i16) -> &str

Specialized const format of i16 value into buffer, returning text.

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pub const fn fmt_i16(val: i16) -> Self

Creates new instance with formatted value.

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pub const fn format_i32(&mut self, val: i32) -> &str

Specialized const format of i32 value into buffer, returning text.

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pub const fn fmt_i32(val: i32) -> Self

Creates new instance with formatted value.

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pub const fn format_i64(&mut self, val: i64) -> &str

Specialized const format of i64 value into buffer, returning text.

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pub const fn fmt_i64(val: i64) -> Self

Creates new instance with formatted value.

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pub const fn format_isize(&mut self, val: isize) -> &str

Specialized const format of isize value into buffer, returning text.

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pub const fn fmt_isize(val: isize) -> Self

Creates new instance with formatted value.

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pub const fn format_i128(&mut self, val: i128) -> &str

Specialized const format of i128 value into buffer, returning text.

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pub const fn fmt_i128(val: i128) -> Self

Creates new instance with formatted value.

Trait Implementations§

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impl<const N: usize> AsRef<str> for Buffer<N>

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fn as_ref(&self) -> &str

Converts this type into a shared reference of the (usually inferred) input type.
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impl<const N: usize> Debug for Buffer<N>

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

Formats the value using the given formatter. Read more
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impl<const N: usize> Display for Buffer<N>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<const N: usize> Freeze for Buffer<N>

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impl<const N: usize> RefUnwindSafe for Buffer<N>

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impl<const N: usize> Send for Buffer<N>

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impl<const N: usize> Sync for Buffer<N>

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impl<const N: usize> Unpin for Buffer<N>

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impl<const N: usize> UnwindSafe for Buffer<N>

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.