cerc-io/solidity
16
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge pull request #11225 from ethereum/index-safe-math

Browse Source 
Added index for safemath in docs
This commit is contained in:
chriseth 2021-04-08 17:51:49 +02:00 committed by GitHub
commit a364e93580
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
docs/control-structures.rst
View File

@ -478,6 +478,7 @@ In any case, you will get a warning about the outer variable being shadowed.
} }
.. index:: ! safe math, safemath, checked, unchecked
.. _unchecked: .. _unchecked:
Checked or Unchecked Arithmetic Checked or Unchecked Arithmetic
@ -501,11 +502,11 @@ To obtain the previous behaviour, an ``unchecked`` block can be used:
pragma solidity ^0.8.0; pragma solidity ^0.8.0;
contract C { contract C {
function f(uint a, uint b) pure public returns (uint) { function f(uint a, uint b) pure public returns (uint) {
// This addition will wrap on underflow. // This subtraction will wrap on underflow.
unchecked { return a - b; } unchecked { return a - b; }
} }
function g(uint a, uint b) pure public returns (uint) { function g(uint a, uint b) pure public returns (uint) {
// This addition will revert on underflow. // This subtraction will revert on underflow.
return a - b; return a - b;
} }
} }