llir 0.2.2

LLVM IR Binding
Documentation 
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use llvm_sys::core::{LLVMGetArrayLength, LLVMGetElementType};
use llvm_sys::prelude::LLVMTypeRef;
use std::marker::PhantomData;

use crate::types::*;
use crate::{FromLLVMType, TypeRef};

/// [Array Type](https://llvm.org/docs/LangRef.html#array-type)
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub struct ArrayType<'ctx>(LLVMTypeRef, PhantomData<&'ctx ()>);

impl_send_sync!(ArrayType);

impl<'ctx> ArrayType<'ctx> {
  /// Get the element_type of the Array Type
  pub fn element_type(&self) -> Type<'ctx> {
    Type::from_llvm(unsafe { LLVMGetElementType(self.0) })
  }

  /// Get the number of elements in the Array Type
  pub fn num_elements(&self) -> usize {
    unsafe { LLVMGetArrayLength(self.0) as usize }
  }
}

impl<'ctx> AsType<'ctx> for ArrayType<'ctx> {
  fn as_type(&self) -> Type<'ctx> {
    Type::Array(self.clone())
  }
}

impl_positional_type_ref!(ArrayType, 0);

impl_positional_from_llvm_type!(ArrayType);