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use std::convert::From;
use std::default::Default;
use binding::global::RubySpecialConsts;
use types::{InternalValue, Value, ValueType};
use {Object, VerifiedObject, AnyObject};
#[derive(Debug, Copy, Clone)]
#[repr(C)]
pub struct NilClass {
value: Value,
}
impl NilClass {
pub fn new() -> Self {
Self::from(Value::from(RubySpecialConsts::Nil as InternalValue))
}
}
impl Default for NilClass {
fn default() -> Self {
NilClass::new()
}
}
impl From<Value> for NilClass {
fn from(value: Value) -> Self {
NilClass { value: value }
}
}
impl Into<Value> for NilClass {
fn into(self) -> Value {
self.value
}
}
impl Into<AnyObject> for NilClass {
fn into(self) -> AnyObject {
AnyObject::from(self.value)
}
}
impl Object for NilClass {
#[inline]
fn value(&self) -> Value {
self.value
}
}
impl VerifiedObject for NilClass {
fn is_correct_type<T: Object>(object: &T) -> bool {
object.value().ty() == ValueType::Nil
}
fn error_message() -> &'static str {
"Error converting to NilClass"
}
}
impl PartialEq for NilClass {
fn eq(&self, other: &Self) -> bool {
self.equals(other)
}
}