titlefmt 0.4.0

Metadata Title Formatting Library
Documentation 
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use super::{Evaluation, Expression};
use {function, metadata};

/// A function call.
pub struct FunctionCall<'a, T: metadata::Provider>
where
    T: 'a,
{
    function: &'a function::Function<T>,
    arguments: Vec<Box<Expression<'a, T>>>,
}

impl<'a, T: metadata::Provider> FunctionCall<'a, T> {
    pub fn new(
        function: &'a function::Function<T>,
        arguments: Vec<Box<Expression<'a, T>>>,
    ) -> FunctionCall<'a, T> {
        FunctionCall {
            function,
            arguments,
        }
    }
    pub fn evaluate(&self, metadata_provider: &T) -> Result<Evaluation, function::Error> {
        self.function.apply(&self.arguments[..], metadata_provider)
    }
}