Trait attribution::FromParameters

pub trait FromParameters: Sized {
    fn from_parameters(
        params: &mut Parameters, 
        param_name: &str
    ) -> Result<Self, FromParametersError>;
}

A trait that is used to extract data from a Parameters struct.

Required methods

fn from_parameters(
    params: &mut Parameters,
    param_name: &str
) -> Result<Self, FromParametersError>

Try to create a type from a parameter struct (params) for a paramter of a specific name (param_name).

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Implementations on Foreign Types

impl<T: FromParameters> FromParameters for Option<T>

fn from_parameters(
    params: &mut Parameters,
    param_name: &str
) -> Result<Self, FromParametersError>

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Implementors

impl FromParameters for DynamicParameters

fn from_parameters(
    params: &mut Parameters,
    _param_name: &str
) -> Result<Self, FromParametersError>

impl<T: FromParameterValue> FromParameters for T

fn from_parameters(
    params: &mut Parameters,
    param_name: &str
) -> Result<Self, FromParametersError>

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