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use std::ops::{BitAnd, BitAndAssign, BitOr, BitOrAssign, BitXor, BitXorAssign};
use std::u32;
/// Flags describing the set of lua standard libraries to load.
#[derive(Copy, Clone, Debug, Eq, Ord, PartialEq, PartialOrd)]
pub struct StdLib(u32);
impl StdLib {
/// [`coroutine`](https://www.lua.org/manual/5.4/manual.html#6.2) library
///
/// Requires `feature = "lua54/lua53/lua52"`
#[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
pub const COROUTINE: StdLib = StdLib(1);
/// [`table`](https://www.lua.org/manual/5.4/manual.html#6.6) library
pub const TABLE: StdLib = StdLib(1 << 1);
/// [`io`](https://www.lua.org/manual/5.4/manual.html#6.8) library
pub const IO: StdLib = StdLib(1 << 2);
/// [`os`](https://www.lua.org/manual/5.4/manual.html#6.9) library
pub const OS: StdLib = StdLib(1 << 3);
/// [`string`](https://www.lua.org/manual/5.4/manual.html#6.4) library
pub const STRING: StdLib = StdLib(1 << 4);
/// [`utf8`](https://www.lua.org/manual/5.4/manual.html#6.5) library
///
/// Requires `feature = "lua54/lua53"`
#[cfg(any(feature = "lua54", feature = "lua53"))]
pub const UTF8: StdLib = StdLib(1 << 5);
/// [`bit`](https://www.lua.org/manual/5.2/manual.html#6.7) library
///
/// Requires `feature = "lua52/luajit"`
#[cfg(any(feature = "lua52", feature = "luajit", doc))]
pub const BIT: StdLib = StdLib(1 << 6);
/// [`math`](https://www.lua.org/manual/5.4/manual.html#6.7) library
pub const MATH: StdLib = StdLib(1 << 7);
/// [`package`](https://www.lua.org/manual/5.4/manual.html#6.3) library
pub const PACKAGE: StdLib = StdLib(1 << 8);
/// [`jit`](http://luajit.org/ext_jit.html) library
///
/// Requires `feature = "luajit"`
#[cfg(any(feature = "luajit", doc))]
pub const JIT: StdLib = StdLib(1 << 9);
/// (**unsafe**) [`ffi`](http://luajit.org/ext_ffi.html) library
///
/// Requires `feature = "luajit"`
#[cfg(any(feature = "luajit", doc))]
pub const FFI: StdLib = StdLib(1 << 30);
/// (**unsafe**) [`debug`](https://www.lua.org/manual/5.4/manual.html#6.10) library
pub const DEBUG: StdLib = StdLib(1 << 31);
/// No libraries
pub const NONE: StdLib = StdLib(0);
/// (**unsafe**) All standard libraries
pub const ALL: StdLib = StdLib(u32::MAX);
/// The safe subset of the standard libraries
pub const ALL_SAFE: StdLib = StdLib((1 << 30) - 1);
pub fn contains(self, lib: Self) -> bool {
(self & lib).0 != 0
}
}
impl BitAnd for StdLib {
type Output = Self;
fn bitand(self, rhs: Self) -> Self::Output {
StdLib(self.0 & rhs.0)
}
}
impl BitAndAssign for StdLib {
fn bitand_assign(&mut self, rhs: Self) {
*self = StdLib(self.0 & rhs.0)
}
}
impl BitOr for StdLib {
type Output = Self;
fn bitor(self, rhs: Self) -> Self::Output {
StdLib(self.0 | rhs.0)
}
}
impl BitOrAssign for StdLib {
fn bitor_assign(&mut self, rhs: Self) {
*self = StdLib(self.0 | rhs.0)
}
}
impl BitXor for StdLib {
type Output = Self;
fn bitxor(self, rhs: Self) -> Self::Output {
StdLib(self.0 ^ rhs.0)
}
}
impl BitXorAssign for StdLib {
fn bitxor_assign(&mut self, rhs: Self) {
*self = StdLib(self.0 ^ rhs.0)
}
}
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