Trait value_trait::base::ValueAsScalar

pub trait ValueAsScalar {
    // Required methods
    fn as_null(&self) -> Option<()>;
    fn as_bool(&self) -> Option<bool>;
    fn as_i64(&self) -> Option<i64>;
    fn as_u64(&self) -> Option<u64>;
    fn as_f64(&self) -> Option<f64>;
    fn as_str(&self) -> Option<&str>;

    // Provided methods
    fn as_i128(&self) -> Option<i128> { ... }
    fn as_i32(&self) -> Option<i32> { ... }
    fn as_i16(&self) -> Option<i16> { ... }
    fn as_i8(&self) -> Option<i8> { ... }
    fn as_u128(&self) -> Option<u128> { ... }
    fn as_usize(&self) -> Option<usize> { ... }
    fn as_u32(&self) -> Option<u32> { ... }
    fn as_u16(&self) -> Option<u16> { ... }
    fn as_u8(&self) -> Option<u8> { ... }
    fn as_f32(&self) -> Option<f32> { ... }
    fn cast_f64(&self) -> Option<f64> { ... }
    fn as_char(&self) -> Option<char> { ... }
}

Access to scalar value types

Required Methods

fn as_null(&self) -> Option<()>

Tries to represent the value as a ‘null’;

fn as_bool(&self) -> Option<bool>

Tries to represent the value as a bool

fn as_i64(&self) -> Option<i64>

Tries to represent the value as an i64

fn as_u64(&self) -> Option<u64>

Tries to represent the value as an u64

fn as_f64(&self) -> Option<f64>

Tries to represent the value as a f64

fn as_str(&self) -> Option<&str>

Tries to represent the value as a &str

Provided Methods

fn as_i128(&self) -> Option<i128>

Tries to represent the value as an i128

fn as_i32(&self) -> Option<i32>

Tries to represent the value as an i32

fn as_i16(&self) -> Option<i16>

Tries to represent the value as an i16

fn as_i8(&self) -> Option<i8>

Tries to represent the value as an i8

fn as_u128(&self) -> Option<u128>

Tries to represent the value as an u128

fn as_usize(&self) -> Option<usize>

Tries to represent the value as an usize

fn as_u32(&self) -> Option<u32>

Tries to represent the value as an u32

fn as_u16(&self) -> Option<u16>

Tries to represent the value as an u16

fn as_u8(&self) -> Option<u8>

Tries to represent the value as an u8

fn as_f32(&self) -> Option<f32>

Tries to represent the value as a f32

fn cast_f64(&self) -> Option<f64>

Casts the current value to a f64 if possible, this will turn integer values into floats.

fn as_char(&self) -> Option<char>

Tries to represent the value as a Char

Implementations on Foreign Types

impl<V> ValueAsScalar for Option<V>

where V: ValueAsScalar,

fn as_null(&self) -> Option<()>

fn as_bool(&self) -> Option<bool>

fn as_i64(&self) -> Option<i64>

fn as_u64(&self) -> Option<u64>

fn as_f64(&self) -> Option<f64>

fn as_str(&self) -> Option<&str>

impl<V> ValueAsScalar for &V

where V: ValueAsScalar,

fn as_null(&self) -> Option<()>

fn as_bool(&self) -> Option<bool>

fn as_i64(&self) -> Option<i64>

fn as_u64(&self) -> Option<u64>

fn as_f64(&self) -> Option<f64>

fn as_str(&self) -> Option<&str>

impl<V, E> ValueAsScalar for Result<V, E>

where V: ValueAsScalar,

fn as_null(&self) -> Option<()>

fn as_bool(&self) -> Option<bool>

fn as_i64(&self) -> Option<i64>

fn as_u64(&self) -> Option<u64>

fn as_f64(&self) -> Option<f64>

fn as_str(&self) -> Option<&str>

Implementors

impl ValueAsScalar for StaticNode