Trait ParameterIndex

pub trait ParameterIndex: Copy + Debug {
    // Required method
    fn index(self, statement: &Statement) -> Result<usize>;
}

A type suitable for indexing parameters in a prepared statement.

Required Methods

fn index(self, statement: &Statement) -> Result<usize>

Identify the ordinal position.

The first parameter has index 1.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl ParameterIndex for &str

fn index(self, statement: &Statement) -> Result<usize>

impl ParameterIndex for usize

fn index(self, _: &Statement) -> Result<usize>

Implementors