ExternalVendorCode/corda
1
0
Fork 0
mirror of https://github.com/corda/corda.git synced 2025-04-07 19:34:41 +00:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

Minor: add infix utilities for overflow checked arithmetic.

Browse Source
This commit is contained in:
Mike Hearn 2016-07-29 12:20:09 +02:00
parent 987c374b98
commit daff65f220
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
core/src/main/kotlin/com/r3corda/core/Utils.kt
View File

@ -31,6 +31,11 @@ val Long.bd: BigDecimal get() = BigDecimal(this)
fun String.abbreviate(maxWidth: Int): String = if (length <= maxWidth) this else take(maxWidth - 1) + "…"
/** Like the + operator but throws an exception in case of integer overflow. */
infix fun Int.checkedAdd(b: Int) = Math.addExact(this, b)
/** Like the + operator but throws an exception in case of integer overflow. */
infix fun Long.checkedAdd(b: Long) = Math.addExact(this, b)
/**
* Returns a random positive long generated using a secure RNG. This function sacrifies a bit of entropy in order to
* avoid potential bugs where the value is used in a context where negative numbers are not expected.