Struct serde_json::ser::PrettyFormatter
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pub struct PrettyFormatter<'a> { /* fields omitted */ }
This structure pretty prints a JSON value to make it human readable.
Methods
impl<'a> PrettyFormatter<'a>
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pub fn new() -> Self
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Construct a pretty printer formatter that defaults to using two spaces for indentation.
pub fn with_indent(indent: &'a [u8]) -> Self
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Construct a pretty printer formatter that uses the indent
string for indentation.
Trait Implementations
impl<'a> Clone for PrettyFormatter<'a>
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fn clone(&self) -> PrettyFormatter<'a>
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Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl<'a> Debug for PrettyFormatter<'a>
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fn fmt(&self, __arg_0: &mut Formatter) -> Result
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Formats the value using the given formatter. Read more
impl<'a> Default for PrettyFormatter<'a>
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impl<'a> Formatter for PrettyFormatter<'a>
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fn begin_array<W: ?Sized>(&mut self, writer: &mut W) -> Result<()> where
W: Write,
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W: Write,
Called before every array. Writes a [
to the specified writer. Read more
fn end_array<W: ?Sized>(&mut self, writer: &mut W) -> Result<()> where
W: Write,
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W: Write,
Called after every array. Writes a ]
to the specified writer. Read more
fn begin_array_value<W: ?Sized>(
&mut self,
writer: &mut W,
first: bool
) -> Result<()> where
W: Write,
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&mut self,
writer: &mut W,
first: bool
) -> Result<()> where
W: Write,
Called before every array value. Writes a ,
if needed to the specified writer. Read more
fn end_array_value<W: ?Sized>(&mut self, _writer: &mut W) -> Result<()> where
W: Write,
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W: Write,
Called after every array value.
fn begin_object<W: ?Sized>(&mut self, writer: &mut W) -> Result<()> where
W: Write,
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W: Write,
Called before every object. Writes a {
to the specified writer. Read more
fn end_object<W: ?Sized>(&mut self, writer: &mut W) -> Result<()> where
W: Write,
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W: Write,
Called after every object. Writes a }
to the specified writer. Read more
fn begin_object_key<W: ?Sized>(
&mut self,
writer: &mut W,
first: bool
) -> Result<()> where
W: Write,
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&mut self,
writer: &mut W,
first: bool
) -> Result<()> where
W: Write,
Called before every object key.
fn begin_object_value<W: ?Sized>(&mut self, writer: &mut W) -> Result<()> where
W: Write,
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W: Write,
Called before every object value. A :
should be written to the specified writer by either this method or end_object_key
. Read more
fn end_object_value<W: ?Sized>(&mut self, _writer: &mut W) -> Result<()> where
W: Write,
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W: Write,
Called after every object value.
fn write_null<W: ?Sized>(&mut self, writer: &mut W) -> Result<()> where
W: Write,
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W: Write,
Writes a null
value to the specified writer.
fn write_bool<W: ?Sized>(&mut self, writer: &mut W, value: bool) -> Result<()> where
W: Write,
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W: Write,
Writes a true
or false
value to the specified writer.
fn write_i8<W: ?Sized>(&mut self, writer: &mut W, value: i8) -> Result<()> where
W: Write,
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W: Write,
Writes an integer value like -123
to the specified writer.
fn write_i16<W: ?Sized>(&mut self, writer: &mut W, value: i16) -> Result<()> where
W: Write,
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W: Write,
Writes an integer value like -123
to the specified writer.
fn write_i32<W: ?Sized>(&mut self, writer: &mut W, value: i32) -> Result<()> where
W: Write,
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W: Write,
Writes an integer value like -123
to the specified writer.
fn write_i64<W: ?Sized>(&mut self, writer: &mut W, value: i64) -> Result<()> where
W: Write,
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W: Write,
Writes an integer value like -123
to the specified writer.
fn write_u8<W: ?Sized>(&mut self, writer: &mut W, value: u8) -> Result<()> where
W: Write,
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W: Write,
Writes an integer value like 123
to the specified writer.
fn write_u16<W: ?Sized>(&mut self, writer: &mut W, value: u16) -> Result<()> where
W: Write,
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W: Write,
Writes an integer value like 123
to the specified writer.
fn write_u32<W: ?Sized>(&mut self, writer: &mut W, value: u32) -> Result<()> where
W: Write,
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W: Write,
Writes an integer value like 123
to the specified writer.
fn write_u64<W: ?Sized>(&mut self, writer: &mut W, value: u64) -> Result<()> where
W: Write,
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W: Write,
Writes an integer value like 123
to the specified writer.
fn write_f32<W: ?Sized>(&mut self, writer: &mut W, value: f32) -> Result<()> where
W: Write,
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W: Write,
Writes a floating point value like -31.26e+12
to the specified writer.
fn write_f64<W: ?Sized>(&mut self, writer: &mut W, value: f64) -> Result<()> where
W: Write,
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W: Write,
Writes a floating point value like -31.26e+12
to the specified writer.
fn write_number_str<W: ?Sized>(
&mut self,
writer: &mut W,
value: &str
) -> Result<()> where
W: Write,
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&mut self,
writer: &mut W,
value: &str
) -> Result<()> where
W: Write,
Writes a number that has already been rendered to a string.
fn begin_string<W: ?Sized>(&mut self, writer: &mut W) -> Result<()> where
W: Write,
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W: Write,
Called before each series of write_string_fragment
and write_char_escape
. Writes a "
to the specified writer. Read more
fn end_string<W: ?Sized>(&mut self, writer: &mut W) -> Result<()> where
W: Write,
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W: Write,
Called after each series of write_string_fragment
and write_char_escape
. Writes a "
to the specified writer. Read more
fn write_string_fragment<W: ?Sized>(
&mut self,
writer: &mut W,
fragment: &str
) -> Result<()> where
W: Write,
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&mut self,
writer: &mut W,
fragment: &str
) -> Result<()> where
W: Write,
Writes a string fragment that doesn't need any escaping to the specified writer. Read more
fn write_char_escape<W: ?Sized>(
&mut self,
writer: &mut W,
char_escape: CharEscape
) -> Result<()> where
W: Write,
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&mut self,
writer: &mut W,
char_escape: CharEscape
) -> Result<()> where
W: Write,
Writes a character escape code to the specified writer.
fn end_object_key<W: ?Sized>(&mut self, _writer: &mut W) -> Result<()> where
W: Write,
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W: Write,
Called after every object key. A :
should be written to the specified writer by either this method or begin_object_value
. Read more