Add docs re Rust 1.51.1

tcharding · tcharding · commit 7bc573eaef8f · 2022-07-24T05:53:41.000+10:00
diff --git a/src/util/amount.rs b/src/util/amount.rs
@@ -336,7 +336,7 @@ fn dec_width(mut num: u64) -> usize {
     width
 }
 
-// NIH due to MSRV, impl copied from `core`
+// NIH due to MSRV, impl copied from `core::i8::unsigned_abs` (introduced in Rust 1.51.1).
 fn unsigned_abs(x: i8) -> u8 {
     x.wrapping_abs() as u8
 }

Original file line number	Diff line number	Diff line change
`@@ -336,7 +336,7 @@ fn dec_width(mut num: u64) -> usize {`
`336`	`336`	`width`
`337`	`337`	`}`
`338`	`338`
`339`		-// NIH due to MSRV, impl copied from `core`
	`339`	+// NIH due to MSRV, impl copied from `core::i8::unsigned_abs` (introduced in Rust 1.51.1).
`340`	`340`	`fn unsigned_abs(x: i8) -> u8 {`
`341`	`341`	`x.wrapping_abs() as u8`
`342`	`342`	`}`