postcard-bindgen-core 0.5.0

A crate to generate bindings for the postcard binary format for other languages than Rust - Core Crate
Documentation 
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use core::marker::PhantomData;

#[derive(Debug, Clone, PartialEq, Eq)]
pub struct VariablePath<L> {
    pub(super) parts: Vec<VariableAccess>,
    pub(super) start_variable: String,
    _l: PhantomData<L>,
}

impl<L> VariablePath<L> {
    pub fn new(start_variable: String) -> Self {
        Self {
            start_variable,
            parts: Default::default(),
            _l: Default::default(),
        }
    }

    pub fn push(&mut self, part: VariableAccess) {
        self.parts.push(part)
    }

    pub fn modify_push(mut self, part: VariableAccess) -> Self {
        self.push(part);
        self
    }

    pub fn pop(&mut self) -> (&mut Self, Option<VariableAccess>) {
        let popped = self.parts.pop();
        (self, popped)
    }

    pub fn modify_pop(mut self) -> (Self, Option<VariableAccess>) {
        let (_, popped) = self.pop();
        (self, popped)
    }

    pub fn into_string(self, joined_by: &str) -> String {
        self.start_variable
            + joined_by
            + &self
                .parts
                .into_iter()
                .map(|a| a.into_string())
                .collect::<Vec<_>>()
                .join(joined_by)
    }
}

#[derive(Debug, Clone, PartialEq, Eq)]
pub enum VariableAccess {
    Indexed(usize),
    Field(String),
}

impl VariableAccess {
    fn into_string(self) -> String {
        match self {
            Self::Indexed(i) => format!("{}", i),
            Self::Field(f) => f,
        }
    }
}