battered 0.9.0

Make the most of your laptop's battery life with custom actions and informative desktop notifications.
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use std::fmt::Write;

pub trait Template {
    fn to_template(&self) -> String;
}

// macro to implement the Template trait for a struct
macro_rules! impl_template {
    ($struct_name:ident { $($field_name:ident),* }) => {
        impl Template for $struct_name<'_> {
            // Transform fields into '<field>: <value>'-format string
            fn to_template(&self) -> String {
                let mut result = String::new();
                $(
                    let _ = write!(result, "{}: {}\n", stringify!($field_name), &self.$field_name);
                )*
                result
            }
        }
    };
}

pub struct FormatObject<'f> {
    pub percentage: &'f f32,
    pub state: &'f str,
    pub energy_rate: &'f f32,
}

impl_template!(FormatObject {
    percentage,
    state,
    energy_rate
});