Struct OptionalValueSyntax

pub struct OptionalValueSyntax {
    pub name: Cow<'static, str>,
    pub vtype: ExprType,
    pub missing_value: i32,
    pub present_value: i32,
}

Details to compile an optional scalar parameter.

Optional parameters are only supported in commands.

Fields

name: Cow<'static, str>

The name of the parameter for help purposes.

vtype: ExprType

The type of the expected parameter.

missing_value: i32

Value to push onto the stack when the parameter is missing.

present_value: i32

Value to push onto the stack when the parameter is present, after which the stack contains the parameter value.

Trait Implementations

impl Clone for OptionalValueSyntax

fn clone(&self) -> OptionalValueSyntax

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for OptionalValueSyntax

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

Formats the value using the given formatter.