luaur-ast 0.1.0

Lexer, parser, and AST for Luau (faithful Rust port).
Documentation 
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use crate::records::ast_node::AstNode;
use crate::rtti::AstNodeClass;

impl AstNode {
    pub fn as_item_mut<T: AstNodeClass>(&mut self) -> *mut T {
        if self.class_index == T::CLASS_INDEX {
            self as *mut AstNode as *mut T
        } else {
            core::ptr::null_mut()
        }
    }
}