Trait RDefault 

pub trait RDefault {
    // Required method
    fn default() -> Self;
}

Adapter trait for std::default::Default.

Provides default value construction for R. This allows R users to create instances with default values without needing to specify all parameters.

Methods

• default() - Create a new instance with default values

Example

#[derive(Default, ExternalPtr)]
struct Config {
    timeout: u32,     // defaults to 0
    retries: u32,     // defaults to 0
    verbose: bool,    // defaults to false
}

#[miniextendr]
impl RDefault for Config {}

In R:

config <- Config$default()  # All fields have default values

Required Methods

fn default() -> Self

Create a new instance with default values.

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.

Implementors

impl<T: Default> RDefault for T