xir 0.1.4

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use crate::{Allocator, BlockArgument, Context, Operation};
use alloc::collections::LinkedList;

/// A block.
#[derive(Debug)]
pub struct Block<'a> {
    arguments: Vec<BlockArgument<'a>, Allocator<'a>>,
    operations: LinkedList<Operation<'a>, Allocator<'a>>,
}

impl<'a> Block<'a> {
    /// Creates a block.
    pub fn new<const N: usize>(context: &'a Context, arguments: [BlockArgument<'a>; N]) -> Self {
        Self {
            arguments: {
                let mut vec = Vec::new_in(context.allocator());
                vec.extend(arguments);
                vec
            },
            operations: LinkedList::new_in(context.allocator()),
        }
    }

    /// Returns arguments.
    pub fn arguments(&self) -> &[BlockArgument<'a>] {
        &self.arguments
    }

    /// Returns a reference to operations.
    pub const fn operations(&self) -> &LinkedList<Operation<'a>, Allocator<'a>> {
        &self.operations
    }

    /// Returns a mutable reference to operations.
    pub fn operations_mut(&mut self) -> &mut LinkedList<Operation<'a>, Allocator<'a>> {
        &mut self.operations
    }
}