rtea 0.1.0

Makes writing TCL extensions in Rust ergonomic.
Documentation 
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use crate::Interpreter;

#[repr(C)]
#[derive(Debug)]
pub struct Object {
    _ref_count: isize,
    pub(crate) bytes: *mut u8,
    pub(crate) length: usize,
    _obj_type: *const ObjType,
    _internal: [u8; 8],
}

#[repr(C)]
#[derive(Debug)]
pub struct ObjType {
    _name: *const u8,
    _free_internal_rep_proc: Option<extern "C" fn(*mut Object)>,
    _dup_internal_rep_proc: extern "C" fn(*const Object, *mut Object),
    _update_string_proc: Option<extern "C" fn(*mut Object)>,
    _set_from_any_proc: Option<extern "C" fn(*const Interpreter, *mut Object)>,
}