Trait Visitor 

pub trait Visitor {
    // Provided methods
    fn null(&mut self) -> Result<()> { ... }
    fn boolean(&mut self, b: bool) -> Result<()> { ... }
    fn string(&mut self, s: &str) -> Result<()> { ... }
    fn negative(&mut self, n: i64) -> Result<()> { ... }
    fn nonnegative(&mut self, n: u64) -> Result<()> { ... }
    fn float(&mut self, n: f64) -> Result<()> { ... }
    fn seq(&mut self) -> Result<Box<dyn Seq + '_>> { ... }
    fn map(&mut self) -> Result<Box<dyn Map + '_>> { ... }
}

Trait that can write data into an output place.

Refer to the module documentation for examples.

Provided Methods

fn null(&mut self) -> Result<()>

fn boolean(&mut self, b: bool) -> Result<()>

fn string(&mut self, s: &str) -> Result<()>

fn negative(&mut self, n: i64) -> Result<()>

fn nonnegative(&mut self, n: u64) -> Result<()>

fn float(&mut self, n: f64) -> Result<()>

fn seq(&mut self) -> Result<Box<dyn Seq + '_>>

fn map(&mut self) -> Result<Box<dyn Map + '_>>

Implementations

impl dyn Visitor

pub fn ignore() -> &'static mut dyn Visitor

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors