Struct diesel::serialize::Output

[+] Show declaration

pub struct Output<'a, T, DB> where
    DB: TypeMetadata,
    DB::MetadataLookup: 'a,  { /* fields omitted */ }

[−] Expand description

Wraps a buffer to be written by ToSql with additional backend specific utilities.

Methods

impl<'a, T, DB: TypeMetadata> Output<'a, T, DB>

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pub fn new(out: T, metadata_lookup: &'a DB::MetadataLookup) -> Self

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Construct a new Output

Important traits for Output<'a, T, DB>

impl<'a, T: Write, DB: TypeMetadata> Write for Output<'a, T, DB>

pub fn with_buffer<U>(&self, new_out: U) -> Output<'a, U, DB>

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Create a new Output with the given buffer

pub fn into_inner(self) -> T

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Return the raw buffer this type is wrapping

pub fn metadata_lookup(&self) -> &'a DB::MetadataLookup

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Returns the backend's mechanism for dynamically looking up type metadata at runtime, if relevant for the given backend.

Trait Implementations

impl<'a, T: Clone, DB: Clone> Clone for Output<'a, T, DB> where     DB: TypeMetadata,     DB::MetadataLookup: 'a,     DB::MetadataLookup: Clone,

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Important traits for Output<'a, T, DB>

impl<'a, T: Write, DB: TypeMetadata> Write for Output<'a, T, DB>

fn clone(&self) -> Output<'a, T, DB>

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Returns a copy of the value.

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

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Performs copy-assignment from source.

impl<'a, T: Copy, DB: Copy> Copy for Output<'a, T, DB> where     DB: TypeMetadata,     DB::MetadataLookup: 'a,     DB::MetadataLookup: Copy,

impl<'a, T: Write, DB: TypeMetadata> Write for Output<'a, T, DB>

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fn write(&mut self, buf: &[u8]) -> Result<usize>

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Write a buffer into this object, returning how many bytes were written.

fn flush(&mut self) -> Result<()>

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Flush this output stream, ensuring that all intermediately buffered contents reach their destination.

fn write_all(&mut self, buf: &[u8]) -> Result<()>

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Attempts to write an entire buffer into this write.

fn write_fmt(&mut self, fmt: Arguments) -> Result<()>

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Writes a formatted string into this writer, returning any error encountered.

fn by_ref(&mut self) -> &mut Self

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Creates a "by reference" adaptor for this instance of Write.

impl<'a, T, DB: TypeMetadata> Deref for Output<'a, T, DB>

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type Target = T

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

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Dereferences the value.

impl<'a, T, DB: TypeMetadata> DerefMut for Output<'a, T, DB>

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fn deref_mut(&mut self) -> &mut Self::Target

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Mutably dereferences the value.

impl<'a, T, U, DB> PartialEq<U> for Output<'a, T, DB> where     DB: TypeMetadata,     T: PartialEq<U>,

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fn eq(&self, rhs: &U) -> bool

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This method tests for self and other values to be equal, and is used by ==.

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

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This method tests for !=.

impl<'a, T, DB> Debug for Output<'a, T, DB> where     T: Debug,     DB: TypeMetadata,

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

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Formats the value using the given formatter.