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use crate::{FromValue, Integer, ToValue, Value, ValueError, ValueErrorKind};
value_types!(crate::UNIT_TYPE, () => ());
value_types!(crate::BYTE_TYPE, u8 => u8);
value_types!(crate::BOOL_TYPE, bool => bool);
value_types!(crate::CHAR_TYPE, char => char);
value_types!(crate::INTEGER_TYPE, i64 => i64);
value_types!(crate::FLOAT_TYPE, f64 => f64);
value_types!(crate::FLOAT_TYPE, f32 => f32);
impl FromValue for () {
fn from_value(value: Value) -> Result<Self, ValueError> {
Ok(value.into_unit()?)
}
}
impl FromValue for u8 {
fn from_value(value: Value) -> Result<Self, ValueError> {
Ok(value.into_byte()?)
}
}
impl FromValue for bool {
fn from_value(value: Value) -> Result<Self, ValueError> {
Ok(value.into_bool()?)
}
}
impl FromValue for char {
fn from_value(value: Value) -> Result<Self, ValueError> {
Ok(value.into_char()?)
}
}
impl FromValue for i64 {
fn from_value(value: Value) -> Result<Self, ValueError> {
use std::convert::TryInto as _;
let integer = value.into_integer()?;
match integer.try_into() {
Ok(number) => Ok(number),
Err(..) => Err(ValueError::from(
ValueErrorKind::ValueToIntegerCoercionError {
from: Integer::I64(integer),
to: std::any::type_name::<Self>(),
},
)),
}
}
}
macro_rules! number_value_trait {
($ty:ty, $variant:ident) => {
value_types!(crate::INTEGER_TYPE, $ty => $ty);
impl ToValue for $ty {
fn to_value(self) -> Result<Value, ValueError> {
use std::convert::TryInto as _;
match self.try_into() {
Ok(number) => Ok(Value::Integer(number)),
Err(..) => Err(ValueError::from(ValueErrorKind::IntegerToValueCoercionError {
from: Integer::$variant(self),
to: std::any::type_name::<i64>(),
})),
}
}
}
impl FromValue for $ty {
fn from_value(value: Value) -> Result<Self, ValueError> {
use std::convert::TryInto as _;
let integer = value.into_integer()?;
match integer.try_into() {
Ok(number) => Ok(number),
Err(..) => Err(ValueError::from(ValueErrorKind::ValueToIntegerCoercionError {
from: Integer::I64(integer),
to: std::any::type_name::<Self>(),
})),
}
}
}
};
}
number_value_trait!(u32, U32);
number_value_trait!(u64, U64);
number_value_trait!(u128, U128);
number_value_trait!(usize, Usize);
number_value_trait!(i8, I8);
number_value_trait!(i32, I32);
number_value_trait!(i128, I128);
number_value_trait!(isize, Isize);
impl FromValue for f64 {
fn from_value(value: Value) -> Result<Self, ValueError> {
Ok(value.into_float()?)
}
}
impl ToValue for f32 {
fn to_value(self) -> Result<Value, ValueError> {
Ok(Value::Float(self as f64))
}
}
impl FromValue for f32 {
fn from_value(value: Value) -> Result<Self, ValueError> {
Ok(value.into_float()? as f32)
}
}