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use crate::error::Error;
use serde::{Deserialize, Serialize};
use std::borrow::Cow;
pub trait IntoClones<Tuple>: Clone {
fn into_clones(self) -> Tuple;
}
macro_rules! impl_into_clones {
[@clones($self:ident) $h:ident ($($code:tt)*)] => { ($($code)* $self,) };
[@clones($self:ident) $h:ident $($t:ident)+ ($($code:tt)*)] => {
impl_into_clones![
@clones($self) $($t)+ ($($code)* $self.clone(),)
]
};
{$h:ident $($t:ident)*} => {
impl<$h: Clone> IntoClones<($h $(, $t)*,)> for $h {
fn into_clones(self) -> ($h $(, $t)*,) {
impl_into_clones![@clones(self) $h $($t)* ()]
}
}
impl_into_clones!{$($t)*}
};
() => {};
}
impl_into_clones! {T T T T T T T T T T T}
#[macro_export]
macro_rules! tuple_from_box_api {
($f:path [ $($args:expr),* , @out ]) => {
{
let mut result = ::std::mem::MaybeUninit::uninit();
#[allow(unused_unsafe)]
unsafe {
if $f($($args),*, result.as_mut_ptr()) < 0 {
return Err($crate::error::TarantoolError::last().into());
}
Ok($crate::tuple::Tuple::try_from_ptr(result.assume_init()))
}
}
}
}
#[macro_export]
macro_rules! expr_count {
() => { 0 };
($head:expr $(, $tail:expr)*) => { 1 + $crate::expr_count!($($tail),*) }
}
#[inline]
pub fn rmp_to_vec<T>(val: &T) -> Result<Vec<u8>, Error>
where
T: Serialize + ?Sized,
{
Ok(rmp_serde::to_vec(val)?)
}
#[derive(Clone, Debug, Serialize, Deserialize, tlua::Push)]
pub enum NumOrStr {
Num(u32),
Str(String),
}
impl From<u32> for NumOrStr {
#[inline(always)]
fn from(n: u32) -> Self {
Self::Num(n)
}
}
impl From<String> for NumOrStr {
#[inline(always)]
fn from(s: String) -> Self {
Self::Str(s)
}
}
impl<'a> From<&'a str> for NumOrStr {
#[inline(always)]
fn from(s: &'a str) -> Self {
Self::Str(s.into())
}
}
#[derive(Serialize, Deserialize, Debug, Clone)]
#[serde(untagged)]
pub enum Value<'a> {
Num(u32),
Str(Cow<'a, str>),
Bool(bool),
}
#[macro_export]
macro_rules! unwrap_or {
($o:expr, $else:expr) => {
if let Some(v) = $o {
v
} else {
$else
}
};
}
#[macro_export]
macro_rules! unwrap_ok_or {
($o:expr, $err:pat => $($else:tt)+) => {
match $o {
Ok(v) => v,
$err => $($else)+,
}
}
}