pub struct PrettyFormatter<'a> { /* private fields */ }
Expand description

This structure pretty prints a JSON value to make it human readable.

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impl<'a> PrettyFormatter<'a>

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pub fn new() -> Self

Construct a pretty printer formatter that defaults to using two spaces for indentation.

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pub fn with_indent(indent: &'a [u8]) -> Self

Construct a pretty printer formatter that uses the indent string for indentation.

Trait Implementations§

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impl<'a> Clone for PrettyFormatter<'a>

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fn clone(&self) -> PrettyFormatter<'a>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<'a> Debug for PrettyFormatter<'a>

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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<'a> Default for PrettyFormatter<'a>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'a> Formatter for PrettyFormatter<'a>

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fn begin_array<W>(&mut self, writer: &mut W) -> Result<()>where W: ?Sized + Write,

Called before every array. Writes a [ to the specified writer.
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fn end_array<W>(&mut self, writer: &mut W) -> Result<()>where W: ?Sized + Write,

Called after every array. Writes a ] to the specified writer.
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fn begin_array_value<W>(&mut self, writer: &mut W, first: bool) -> Result<()>where W: ?Sized + Write,

Called before every array value. Writes a , if needed to the specified writer.
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fn end_array_value<W>(&mut self, _writer: &mut W) -> Result<()>where W: ?Sized + Write,

Called after every array value.
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fn begin_object<W>(&mut self, writer: &mut W) -> Result<()>where W: ?Sized + Write,

Called before every object. Writes a { to the specified writer.
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fn end_object<W>(&mut self, writer: &mut W) -> Result<()>where W: ?Sized + Write,

Called after every object. Writes a } to the specified writer.
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fn begin_object_key<W>(&mut self, writer: &mut W, first: bool) -> Result<()>where W: ?Sized + Write,

Called before every object key.
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fn begin_object_value<W>(&mut self, writer: &mut W) -> Result<()>where W: ?Sized + Write,

Called before every object value. A : should be written to the specified writer by either this method or end_object_key.
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fn end_object_value<W>(&mut self, _writer: &mut W) -> Result<()>where W: ?Sized + Write,

Called after every object value.
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fn write_null<W>(&mut self, writer: &mut W) -> Result<()>where W: ?Sized + Write,

Writes a null value to the specified writer.
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fn write_bool<W>(&mut self, writer: &mut W, value: bool) -> Result<()>where W: ?Sized + Write,

Writes a true or false value to the specified writer.
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fn write_i8<W>(&mut self, writer: &mut W, value: i8) -> Result<()>where W: ?Sized + Write,

Writes an integer value like -123 to the specified writer.
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fn write_i16<W>(&mut self, writer: &mut W, value: i16) -> Result<()>where W: ?Sized + Write,

Writes an integer value like -123 to the specified writer.
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fn write_i32<W>(&mut self, writer: &mut W, value: i32) -> Result<()>where W: ?Sized + Write,

Writes an integer value like -123 to the specified writer.
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fn write_i64<W>(&mut self, writer: &mut W, value: i64) -> Result<()>where W: ?Sized + Write,

Writes an integer value like -123 to the specified writer.
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fn write_i128<W>(&mut self, writer: &mut W, value: i128) -> Result<()>where W: ?Sized + Write,

Writes an integer value like -123 to the specified writer.
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fn write_u8<W>(&mut self, writer: &mut W, value: u8) -> Result<()>where W: ?Sized + Write,

Writes an integer value like 123 to the specified writer.
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fn write_u16<W>(&mut self, writer: &mut W, value: u16) -> Result<()>where W: ?Sized + Write,

Writes an integer value like 123 to the specified writer.
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fn write_u32<W>(&mut self, writer: &mut W, value: u32) -> Result<()>where W: ?Sized + Write,

Writes an integer value like 123 to the specified writer.
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fn write_u64<W>(&mut self, writer: &mut W, value: u64) -> Result<()>where W: ?Sized + Write,

Writes an integer value like 123 to the specified writer.
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fn write_u128<W>(&mut self, writer: &mut W, value: u128) -> Result<()>where W: ?Sized + Write,

Writes an integer value like 123 to the specified writer.
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fn write_f32<W>(&mut self, writer: &mut W, value: f32) -> Result<()>where W: ?Sized + Write,

Writes a floating point value like -31.26e+12 to the specified writer.
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fn write_f64<W>(&mut self, writer: &mut W, value: f64) -> Result<()>where W: ?Sized + Write,

Writes a floating point value like -31.26e+12 to the specified writer.
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fn write_number_str<W>(&mut self, writer: &mut W, value: &str) -> Result<()>where W: ?Sized + Write,

Writes a number that has already been rendered to a string.
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fn begin_string<W>(&mut self, writer: &mut W) -> Result<()>where W: ?Sized + Write,

Called before each series of write_string_fragment and write_char_escape. Writes a " to the specified writer.
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fn end_string<W>(&mut self, writer: &mut W) -> Result<()>where W: ?Sized + Write,

Called after each series of write_string_fragment and write_char_escape. Writes a " to the specified writer.
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fn write_string_fragment<W>( &mut self, writer: &mut W, fragment: &str ) -> Result<()>where W: ?Sized + Write,

Writes a string fragment that doesn’t need any escaping to the specified writer.
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fn write_char_escape<W>( &mut self, writer: &mut W, char_escape: CharEscape ) -> Result<()>where W: ?Sized + Write,

Writes a character escape code to the specified writer.
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fn end_object_key<W>(&mut self, _writer: &mut W) -> Result<()>where W: ?Sized + Write,

Called after every object key. A : should be written to the specified writer by either this method or begin_object_value.
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fn write_raw_fragment<W>( &mut self, writer: &mut W, fragment: &str ) -> Result<()>where W: ?Sized + Write,

Writes a raw JSON fragment that doesn’t need any escaping to the specified writer.

Auto Trait Implementations§

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impl<'a> RefUnwindSafe for PrettyFormatter<'a>

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impl<'a> Send for PrettyFormatter<'a>

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impl<'a> Sync for PrettyFormatter<'a>

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impl<'a> Unpin for PrettyFormatter<'a>

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impl<'a> UnwindSafe for PrettyFormatter<'a>

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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 Twhere 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> ToOwned for Twhere T: Clone,

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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<U> for Twhere 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 Twhere 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.