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-rw-r--r--src/math/big/nat.go7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/math/big/nat.go b/src/math/big/nat.go
index 512b2c229f..31e1ad8fcf 100644
--- a/src/math/big/nat.go
+++ b/src/math/big/nat.go
@@ -363,10 +363,11 @@ func karatsuba(z, x, y nat) {
}
// alias reports whether x and y share the same base array.
+//
// Note: alias assumes that the capacity of underlying arrays
-// is never changed for nat values; i.e. that there are
-// no 3-operand slice expressions in this code (or worse,
-// reflect-based operations to the same effect).
+// is never changed for nat values; i.e. that there are
+// no 3-operand slice expressions in this code (or worse,
+// reflect-based operations to the same effect).
func alias(x, y nat) bool {
return cap(x) > 0 && cap(y) > 0 && &x[0:cap(x)][cap(x)-1] == &y[0:cap(y)][cap(y)-1]
}