// 1. Instruction discriminator is result of sighash("my-interface", "my_func")
#[ix(namespace="my-interface")]
pub fn my_func(...) -> Result<()> {
}

// 2. Instruction discriminator is result of sighash("my-interface", "other_func")
// In this case, this instruction will have name `other-func` in the IDL
#[ix(namespace="my-interface", name="other-func")]
pub fn my_func(...) -> Result<()> {
}