Trait FromFieldValue 

pub trait FromFieldValue: Sized {
    // Required method
    fn from_field_value(v: &FieldValue) -> Option<Self>;
}

Typed extraction from a FieldValue.

Required Methods

fn from_field_value(v: &FieldValue) -> Option<Self>

Dyn Compatibility

This trait is not dyn compatible.

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

Implementations on Foreign Types

impl FromFieldValue for bool

fn from_field_value(v: &FieldValue) -> Option<Self>

impl FromFieldValue for f32

fn from_field_value(v: &FieldValue) -> Option<Self>

impl FromFieldValue for f64

fn from_field_value(v: &FieldValue) -> Option<Self>

impl FromFieldValue for i32

fn from_field_value(v: &FieldValue) -> Option<Self>

impl FromFieldValue for i64

fn from_field_value(v: &FieldValue) -> Option<Self>

impl FromFieldValue for u32

fn from_field_value(v: &FieldValue) -> Option<Self>

impl FromFieldValue for u64

fn from_field_value(v: &FieldValue) -> Option<Self>

impl FromFieldValue for String

fn from_field_value(v: &FieldValue) -> Option<Self>

impl FromFieldValue for Vec<u8>

fn from_field_value(v: &FieldValue) -> Option<Self>

Implementors