Trait Formatter

Source

pub trait Formatter {
Show 31 methods    // Provided 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 write_byte_array<W>(
        &mut self,
        writer: &mut W,
        value: &[u8],
    ) -> 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 { ... }
}

Available on crate feature std only.

Expand description

This trait abstracts away serializing the JSON control characters, which allows the user to optionally pretty print the JSON output.

Provided Methods§

Source

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

Writes a null value to the specified writer.

Source