llir 0.2.2

LLVM IR Binding
Documentation 
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use llvm_sys::prelude::LLVMValueRef;
use std::marker::PhantomData;

use crate::types::*;
use crate::values::*;
use crate::*;

/// [Null constant](https://llvm.org/docs/LangRef.html#simple-constants)
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub struct NullConstant<'ctx>(LLVMValueRef, PhantomData<&'ctx ()>);

impl_send_sync!(NullConstant);

impl<'ctx> GetType<'ctx> for NullConstant<'ctx> {}

impl<'ctx> NullConstant<'ctx> {
  /// Get directly the pointer type of this null constant
  pub fn get_pointer_type(&self) -> PointerType<'ctx> {
    PointerType::from_llvm(self.get_type().type_ref())
  }
}

impl_positional_value_ref!(NullConstant, 0);

impl_positional_from_llvm_value!(NullConstant);

impl<'ctx> AsConstant<'ctx> for NullConstant<'ctx> {
  fn as_constant(&self) -> Constant<'ctx> {
    Constant::Null(self.clone())
  }
}

impl_as_operand_for_constant!(NullConstant);