Trait CastTarget 

pub trait CastTarget<'a, T: DataType, D> {
    // Required method
    fn cast_type_name(self) -> &'a str;
}

The target argument of cast: a SQL type name such as "VARCHAR(255)", or a type marker value whose DefaultCastTypeName is used.

Required Methods

fn cast_type_name(self) -> &'a str

The SQL type name to cast to.

Dyn Compatibility

This trait is dyn compatible.

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

Implementations on Foreign Types

impl<'a, T: DataType, D> CastTarget<'a, T, D> for &'a str

fn cast_type_name(self) -> &'a str

Implementors

impl<'a, T, D> CastTarget<'a, T, D> for T

where T: DataType + DefaultCastTypeName,