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use super::element_spec::ElementSpec;
use super::elements::Elements;
use super::statement::Statement;

#[derive(Debug, Clone)]
pub struct FunctionSpec {
    pub name: String,
    pub arguments: Vec<Statement>,
    pub elements: Elements,
}

impl FunctionSpec {
    pub fn new(name: &str) -> FunctionSpec {
        FunctionSpec {
            name: name.to_owned(),
            arguments: Vec::new(),
            elements: Elements::new(),
        }
    }

    pub fn push_argument<S>(&mut self, argument: S)
        where S: Into<Statement>
    {
        self.arguments.push(argument.into());
    }

    pub fn push<E>(&mut self, element: E)
        where E: Into<ElementSpec>
    {
        self.elements.push(element);
    }
}