You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: lib.rs
    path of file: ./repos/solang/src
    
    the code of the file until where you have to start completion: // SPDX-License-Identifier: Apache-2.0

pub mod abi;
pub mod codegen;
#[cfg(feature = "llvm")]
pub mod emit;
pub mod file_resolver;
#[cfg(feature = "ll
    
    pub fn ptr_size(&self) -> u16 {
        if *self == Target::Solana {
            // Solana is BPF, which is 64 bit
            64
        } else {
            // All others are WebAssembly in 32 bit mode
            32
        }
    }