Struct rustc_serialize::json::PrettyEncoder

pub struct PrettyEncoder<'a> {
    writer: &'a mut (dyn Write + 'a),
    curr_indent: usize,
    indent: usize,
    is_emitting_map_key: bool,
}

Another encoder for JSON, but prints out human-readable JSON instead of compact data

Fields

writer: &'a mut (dyn Write + 'a)

curr_indent: usize

indent: usize

is_emitting_map_key: bool

Implementations

impl<'a> PrettyEncoder<'a>

pub fn new(writer: &'a mut dyn Write) -> PrettyEncoder<'a>

Creates a new encoder whose output will be written to the specified writer

pub fn set_indent(&mut self, indent: usize)

Sets the number of spaces to indent for each level. This is safe to set during encoding.

Trait Implementations

impl<'a> Encoder for PrettyEncoder<'a>

type Error = EncoderError

fn emit_unit(&mut self) -> EncodeResult

fn emit_usize(&mut self, v: usize) -> EncodeResult

fn emit_u128(&mut self, v: u128) -> EncodeResult

fn emit_u64(&mut self, v: u64) -> EncodeResult

fn emit_u32(&mut self, v: u32) -> EncodeResult

fn emit_u16(&mut self, v: u16) -> EncodeResult

fn emit_u8(&mut self, v: u8) -> EncodeResult

fn emit_isize(&mut self, v: isize) -> EncodeResult

fn emit_i128(&mut self, v: i128) -> EncodeResult

fn emit_i64(&mut self, v: i64) -> EncodeResult

fn emit_i32(&mut self, v: i32) -> EncodeResult

fn emit_i16(&mut self, v: i16) -> EncodeResult

fn emit_i8(&mut self, v: i8) -> EncodeResult

fn emit_bool(&mut self, v: bool) -> EncodeResult

fn emit_f64(&mut self, v: f64) -> EncodeResult

fn emit_f32(&mut self, v: f32) -> EncodeResult

fn emit_char(&mut self, v: char) -> EncodeResult

fn emit_str(&mut self, v: &str) -> EncodeResult

fn emit_raw_bytes(&mut self, s: &[u8]) -> Result<(), Self::Error>

fn emit_enum<F>(&mut self, f: F) -> EncodeResult where
    F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, 

fn emit_enum_variant<F>(
    &mut self,
    name: &str,
    _id: usize,
    cnt: usize,
    f: F
) -> EncodeResult where
    F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, 

fn emit_fieldless_enum_variant<const ID: usize>(
    &mut self,
    name: &str
) -> Result<(), Self::Error>

fn emit_enum_variant_arg<F>(&mut self, first: bool, f: F) -> EncodeResult where
    F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, 

fn emit_struct<F>(&mut self, no_fields: bool, f: F) -> EncodeResult where
    F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, 

fn emit_struct_field<F>(
    &mut self,
    name: &str,
    first: bool,
    f: F
) -> EncodeResult where
    F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, 

fn emit_tuple<F>(&mut self, len: usize, f: F) -> EncodeResult where
    F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, 

fn emit_tuple_arg<F>(&mut self, idx: usize, f: F) -> EncodeResult where
    F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, 

fn emit_option<F>(&mut self, f: F) -> EncodeResult where
    F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, 

fn emit_option_none(&mut self) -> EncodeResult

fn emit_option_some<F>(&mut self, f: F) -> EncodeResult where
    F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, 

fn emit_seq<F>(&mut self, len: usize, f: F) -> EncodeResult where
    F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, 

fn emit_seq_elt<F>(&mut self, idx: usize, f: F) -> EncodeResult where
    F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, 

fn emit_map<F>(&mut self, len: usize, f: F) -> EncodeResult where
    F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, 

fn emit_map_elt_key<F>(&mut self, idx: usize, f: F) -> EncodeResult where
    F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, 

fn emit_map_elt_val<F>(&mut self, f: F) -> EncodeResult where
    F: FnOnce(&mut PrettyEncoder<'a>) -> EncodeResult, 

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.

Size: 40 bytes