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\begin{center}\begin{minipage}{15cm}\begin{Verbatim}[frame=single]
> structure.f = exp(x);
> structure.dom = [1;2];
> structure.formats = [| DD, D, D, D |];
> match structure with
{ .f = sin(x);
.dom = [a;b]
} : { "Sine, ",a,", ",b; }
{ .f = exp(c);
.dom = [a;b];
.point = default
} : { "Exponential, ",a, ", ", b, ", ", c; }
{ .f = exp(x);
.dom = [a;b]
} : { "Exponential, ",a, ", ", b; }
default : { "Something else"; };
Exponential, 1, 2
>
> structure.f = sin(x);
> match structure with
{ .f = sin(x);
.dom = [a;b]
} : { "Sine, ",a,", ",b; }
{ .f = exp(c);
.dom = [a;b];
.point = default
} : { "Exponential, ",a, ", ", b, ", ", c; }
{ .f = exp(x);
.dom = [a;b]
} : { "Exponential, ",a, ", ", b; }
default : { "Something else"; };
Sine, 1, 2
>
> structure.f = exp(x + 2);
> structure.point = 23;
> match structure with
{ .f = sin(x);
.dom = [a;b]
} : { "Sine, ",a,", ",b; }
{ .f = exp(c);
.dom = [a;b];
.point = default
} : { "Exponential, ",a, ", ", b, ", ", c; }
{ .f = exp(x);
.dom = [a;b]
} : { "Exponential, ",a, ", ", b; }
default : { "Something else"; };
Exponential, 1, 2, 2 + x
\end{Verbatim}
\end{minipage}\end{center}
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