Struct Number 

pub struct Number(/* private fields */);

A number deserialized from JSON.

Implementations

impl Number

pub fn i64(&self) -> Option<i64>

Get the current number as an i64.

This uses the definition of a number defined in RFC-8259, then constrains it to having no fractional part once normalized. It’s yielded if it’s representable within an i64. Note normalization will truncate “10.0”, so this is lossy to if the original encoding had a fractional part.

This is exact. It does not go through f64 and does not experience its approximations.

pub fn f64(&self) -> Option<f64>

Get the current item as an f64.

This may be lossy due to:

• The inherent nature of floats
• Rust’s bounds on precision
• This library’s precision bounds, truncating additional detail

This returns None if the value’s range exceed f64’s.