boolean constant.
The fix tool
will flag other uses of the syntax for inspection by the programmer.
</p>

<h3 id="iteration">Iterating in maps</h3>

<p>
The old language specification did not define the order of iteration for maps,
and in practice it differed across hardware platforms.
This caused tests that iterated over maps to be fragile and non-portable, with the
unpleasant property that a test might always pass on one machine but break on another.
</p>

<p>
In Go 1, the order in which elements are visi