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Inline safe_arith methods

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Michael Sproul
2022-02-16 17:25:26 +11:00
parent 062720f62e
commit f5dae9106e
1 changed files with 8 additions and 0 deletions
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8
consensus/safe_arith/src/lib.rs
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@@ -20,6 +20,7 @@ macro_rules! assign_method {
#[doc = "Safe variant of `"] #[doc = "Safe variant of `"]
#[doc = $doc_op] #[doc = $doc_op]
#[doc = "`."] #[doc = "`."]
#[inline]
fn $name(&mut self, other: $rhs_ty) -> Result<()> { fn $name(&mut self, other: $rhs_ty) -> Result<()> {
*self = self.$op(other)?; *self = self.$op(other)?;
Ok(()) Ok(())
@@ -68,30 +69,37 @@ macro_rules! impl_safe_arith {
const ZERO: Self = 0; const ZERO: Self = 0;
const ONE: Self = 1; const ONE: Self = 1;
#[inline]
fn safe_add(&self, other: Self) -> Result<Self> { fn safe_add(&self, other: Self) -> Result<Self> {
self.checked_add(other).ok_or(ArithError::Overflow) self.checked_add(other).ok_or(ArithError::Overflow)
} }
#[inline]
fn safe_sub(&self, other: Self) -> Result<Self> { fn safe_sub(&self, other: Self) -> Result<Self> {
self.checked_sub(other).ok_or(ArithError::Overflow) self.checked_sub(other).ok_or(ArithError::Overflow)
} }
#[inline]
fn safe_mul(&self, other: Self) -> Result<Self> { fn safe_mul(&self, other: Self) -> Result<Self> {
self.checked_mul(other).ok_or(ArithError::Overflow) self.checked_mul(other).ok_or(ArithError::Overflow)
} }
#[inline]
fn safe_div(&self, other: Self) -> Result<Self> { fn safe_div(&self, other: Self) -> Result<Self> {
self.checked_div(other).ok_or(ArithError::DivisionByZero) self.checked_div(other).ok_or(ArithError::DivisionByZero)
} }
#[inline]
fn safe_rem(&self, other: Self) -> Result<Self> { fn safe_rem(&self, other: Self) -> Result<Self> {
self.checked_rem(other).ok_or(ArithError::DivisionByZero) self.checked_rem(other).ok_or(ArithError::DivisionByZero)
} }
#[inline]
fn safe_shl(&self, other: u32) -> Result<Self> { fn safe_shl(&self, other: u32) -> Result<Self> {
self.checked_shl(other).ok_or(ArithError::Overflow) self.checked_shl(other).ok_or(ArithError::Overflow)
} }
#[inline]
fn safe_shr(&self, other: u32) -> Result<Self> { fn safe_shr(&self, other: u32) -> Result<Self> {
self.checked_shr(other).ok_or(ArithError::Overflow) self.checked_shr(other).ok_or(ArithError::Overflow)
} }