Trait serde_json::ser::Formatter
source · pub trait Formatter {
Show 30 methods
fn write_null<W>(&mut self, writer: &mut W) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_bool<W>(&mut self, writer: &mut W, value: bool) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_i8<W>(&mut self, writer: &mut W, value: i8) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_i16<W>(&mut self, writer: &mut W, value: i16) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_i32<W>(&mut self, writer: &mut W, value: i32) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_i64<W>(&mut self, writer: &mut W, value: i64) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_i128<W>(&mut self, writer: &mut W, value: i128) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_u8<W>(&mut self, writer: &mut W, value: u8) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_u16<W>(&mut self, writer: &mut W, value: u16) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_u32<W>(&mut self, writer: &mut W, value: u32) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_u64<W>(&mut self, writer: &mut W, value: u64) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_u128<W>(&mut self, writer: &mut W, value: u128) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_f32<W>(&mut self, writer: &mut W, value: f32) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_f64<W>(&mut self, writer: &mut W, value: f64) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_number_str<W>(&mut self, writer: &mut W, value: &str) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn begin_string<W>(&mut self, writer: &mut W) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn end_string<W>(&mut self, writer: &mut W) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_string_fragment<W>(
&mut self,
writer: &mut W,
fragment: &str
) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_char_escape<W>(
&mut self,
writer: &mut W,
char_escape: CharEscape
) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn begin_array<W>(&mut self, writer: &mut W) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn end_array<W>(&mut self, writer: &mut W) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn begin_array_value<W>(&mut self, writer: &mut W, first: bool) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn end_array_value<W>(&mut self, _writer: &mut W) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn begin_object<W>(&mut self, writer: &mut W) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn end_object<W>(&mut self, writer: &mut W) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn begin_object_key<W>(&mut self, writer: &mut W, first: bool) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn end_object_key<W>(&mut self, _writer: &mut W) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn begin_object_value<W>(&mut self, writer: &mut W) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn end_object_value<W>(&mut self, _writer: &mut W) -> Result<()>
where
W: ?Sized + Write,
{ ... }
fn write_raw_fragment<W>(
&mut self,
writer: &mut W,
fragment: &str
) -> Result<()>
where
W: ?Sized + Write,
{ ... }
}
Expand description
This trait abstracts away serializing the JSON control characters, which allows the user to optionally pretty print the JSON output.
Provided Methods§
sourcefn write_null<W>(&mut self, writer: &mut W) -> Result<()>where
W: ?Sized + Write,
fn write_null<W>(&mut self, writer: &mut W) -> Result<()>where
W: ?Sized + Write,
Writes a null
value to the specified writer.
sourcefn write_bool<W>(&mut self, writer: &mut W, value: bool) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn write_i8<W>(&mut self, writer: &mut W, value: i8) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn write_i16<W>(&mut self, writer: &mut W, value: i16) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn write_i32<W>(&mut self, writer: &mut W, value: i32) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn write_i64<W>(&mut self, writer: &mut W, value: i64) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn write_i128<W>(&mut self, writer: &mut W, value: i128) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn write_u8<W>(&mut self, writer: &mut W, value: u8) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn write_u16<W>(&mut self, writer: &mut W, value: u16) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn write_u32<W>(&mut self, writer: &mut W, value: u32) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn write_u64<W>(&mut self, writer: &mut W, value: u64) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn write_u128<W>(&mut self, writer: &mut W, value: u128) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn write_f32<W>(&mut self, writer: &mut W, value: f32) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn write_f64<W>(&mut self, writer: &mut W, value: f64) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn write_number_str<W>(&mut self, writer: &mut W, value: &str) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn begin_string<W>(&mut self, writer: &mut W) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn end_string<W>(&mut self, writer: &mut W) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn write_string_fragment<W>(
&mut self,
writer: &mut W,
fragment: &str
) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn write_char_escape<W>(
&mut self,
writer: &mut W,
char_escape: CharEscape
) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn begin_array<W>(&mut self, writer: &mut W) -> Result<()>where
W: ?Sized + Write,
fn begin_array<W>(&mut self, writer: &mut W) -> Result<()>where
W: ?Sized + Write,
Called before every array. Writes a [
to the specified
writer.
sourcefn end_array<W>(&mut self, writer: &mut W) -> Result<()>where
W: ?Sized + Write,
fn end_array<W>(&mut self, writer: &mut W) -> Result<()>where
W: ?Sized + Write,
Called after every array. Writes a ]
to the specified
writer.
sourcefn begin_array_value<W>(&mut self, writer: &mut W, first: bool) -> Result<()>where
W: ?Sized + Write,
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.
sourcefn end_array_value<W>(&mut self, _writer: &mut W) -> Result<()>where
W: ?Sized + Write,
fn end_array_value<W>(&mut self, _writer: &mut W) -> Result<()>where
W: ?Sized + Write,
Called after every array value.
sourcefn begin_object<W>(&mut self, writer: &mut W) -> Result<()>where
W: ?Sized + Write,
fn begin_object<W>(&mut self, writer: &mut W) -> Result<()>where
W: ?Sized + Write,
Called before every object. Writes a {
to the specified
writer.
sourcefn end_object<W>(&mut self, writer: &mut W) -> Result<()>where
W: ?Sized + Write,
fn end_object<W>(&mut self, writer: &mut W) -> Result<()>where
W: ?Sized + Write,
Called after every object. Writes a }
to the specified
writer.
sourcefn begin_object_key<W>(&mut self, writer: &mut W, first: bool) -> Result<()>where
W: ?Sized + Write,
fn begin_object_key<W>(&mut self, writer: &mut W, first: bool) -> Result<()>where
W: ?Sized + Write,
Called before every object key.
sourcefn end_object_key<W>(&mut self, _writer: &mut W) -> Result<()>where
W: ?Sized + Write,
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
.
sourcefn begin_object_value<W>(&mut self, writer: &mut W) -> Result<()>where
W: ?Sized + Write,
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
.