Enum ParamDirection 

pub enum ParamDirection {
    In,
    Out,
    InOut,
    Return,
}

Classification of a function parameter.

Variants

In

Input parameter.

Out

Output parameter (non-const out).

InOut

Input + output (reference param).

Return

Return value.

Trait Implementations

impl Clone for ParamDirection

fn clone(&self) -> ParamDirection

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ParamDirection

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for ParamDirection

fn eq(&self, other: &ParamDirection) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for ParamDirection

impl Eq for ParamDirection

impl StructuralPartialEq for ParamDirection