91 lines
1.8 KiB
Rust
91 lines
1.8 KiB
Rust
use super::*;
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/// A 32-bit value representing boolean values and returned by some functions to indicate success or failure.
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#[must_use]
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#[repr(transparent)]
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#[derive(Clone, Copy, Debug, PartialEq, Eq, Default)]
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pub struct BOOL(pub i32);
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impl BOOL {
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/// Converts the [`BOOL`] to a [`prim@bool`] value.
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#[inline]
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pub fn as_bool(self) -> bool {
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self.0 != 0
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}
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/// Converts the [`BOOL`] to [`Result<()>`][Result<_>].
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#[inline]
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pub fn ok(self) -> Result<()> {
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if self.as_bool() {
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Ok(())
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} else {
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Err(Error::from_thread())
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}
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}
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/// Asserts that `self` is a success code.
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#[inline]
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#[track_caller]
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pub fn unwrap(self) {
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self.ok().unwrap();
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}
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/// Asserts that `self` is a success code using the given panic message.
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#[inline]
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#[track_caller]
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pub fn expect(self, msg: &str) {
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self.ok().expect(msg);
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}
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}
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impl From<BOOL> for bool {
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fn from(value: BOOL) -> Self {
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value.as_bool()
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}
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}
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impl From<&BOOL> for bool {
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fn from(value: &BOOL) -> Self {
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value.as_bool()
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}
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}
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impl From<bool> for BOOL {
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fn from(value: bool) -> Self {
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if value {
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Self(1)
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} else {
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Self(0)
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}
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}
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}
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impl From<&bool> for BOOL {
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fn from(value: &bool) -> Self {
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(*value).into()
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}
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}
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impl PartialEq<bool> for BOOL {
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fn eq(&self, other: &bool) -> bool {
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self.as_bool() == *other
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}
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}
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impl PartialEq<BOOL> for bool {
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fn eq(&self, other: &BOOL) -> bool {
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*self == other.as_bool()
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}
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}
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impl core::ops::Not for BOOL {
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type Output = Self;
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fn not(self) -> Self::Output {
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if self.as_bool() {
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Self(0)
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} else {
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Self(1)
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}
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}
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}
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