ninja-files-data 0.1.0

Core data structures for ninja files
Documentation 
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use std::borrow::Cow;

mod as_ref;
//mod try_from;

#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct VariableId(Cow<'static, str>);

#[derive(Clone, Debug)]
pub struct InvalidVariableId(pub Cow<'static, str>);

impl VariableId {
    pub const fn is_valid(_: &str) -> bool {
        true
    }
    pub fn try_create<Id>(id: Id) -> Result<Self, InvalidVariableId>
    where
        Id: AsRef<str>,
    {
        Ok(VariableId(Cow::Owned(id.as_ref().into())))
    }

    pub const fn unsafe_create(id: &'static str) -> Self {
        if Self::is_valid(id) {
            VariableId(Cow::Borrowed(id))
        } else {
            panic!("Invalid rule id");
        }
    }
}