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<p>
<code>let assert</code> is the final way to intentionally crash your Gleam
program. It's similar to the <code>panic</code> keyword in that it crashes
when the program has reached a point that should never be reached.
</p>
<p>
<code>let assert</code> is similar to <code>let</code> in that it's a way to
assign values to variables, but it's different in that the pattern can be
<i>partial</i>. The pattern does not need to match every possible value of the
type being assigned.
</p>
<p>
Like <code>panic</code> this feature should be used sparingly, and likely not
at all in libraries.
</p>
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