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Add ensure-ops family methods (#12967)

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* add ensure-ops family methods

* fix cargo doc

* add EnsureOp and EnsureOpAssign meta traits

* move ensure module and ArithmeticError to sp-arithmetic

* fix doc examples

* reexport ensure module content

* ensure mod private

* reexport to sp-runtime

* fix doc example

* remove into(). in doc examples, minor doc changes

* remove return value from assign methods

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/arithmetic/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* cargo fmt

* Apply suggestions from code review

* ".git/.scripts/fmt.sh" 1

Co-authored-by: Bastian Köcher <git@kchr.de>
Co-authored-by: command-bot <>
This commit is contained in:
Luis Enrique Muñoz Martín
2022-12-28 13:52:15 +01:00
committed by GitHub
parent 0a94112c9d
commit af79220695
4 changed files with 564 additions and 27 deletions
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substrate/primitives/arithmetic/src/lib.rs
+28
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@@ -50,6 +50,34 @@ pub use rational::{Rational128, RationalInfinite};
use sp_std::{cmp::Ordering, fmt::Debug, prelude::*};
use traits::{BaseArithmetic, One, SaturatedConversion, Unsigned, Zero};
use codec::{Decode, Encode};
use scale_info::TypeInfo;
#[cfg(feature = "std")]
use serde::{Deserialize, Serialize};
/// Arithmetic errors.
#[derive(Eq, PartialEq, Clone, Copy, Encode, Decode, Debug, TypeInfo)]
#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
pub enum ArithmeticError {
/// Underflow.
Underflow,
/// Overflow.
Overflow,
/// Division by zero.
DivisionByZero,
}
impl From<ArithmeticError> for &'static str {
fn from(e: ArithmeticError) -> &'static str {
match e {
ArithmeticError::Underflow => "An underflow would occur",
ArithmeticError::Overflow => "An overflow would occur",
ArithmeticError::DivisionByZero => "Division by zero",
}
}
}
/// Trait for comparing two numbers with an threshold.
///
/// Returns: