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Function composition: Difference between revisions
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Readln;
end.</lang>
=={{header|Diego}}==
Function composition of two simple functions:
<lang diego>set_namespace(rosettacode);
begin_funct(compose)_arg(f, g);
[]_ret(x)_calc([f]([g]([x])));
end_funct[];
me_msg()_funct(compose)_arg(f)_sin()_arg(g)_asin()_var(x)_value(0.5); // result: 0.5
reset_namespace[];</lang>
Function composition of two calculated functions:
<lang diego>set_namespace(rosettacode);
with_funct(f)_arg({int}, x)_ret()_calc([x] * [x]);
with_funct(g)_arg({int}, x)_ret()_calc([x] + 2);
begin_funct(compose)_arg(f, g);
[]_ret(x)_calc([f]([g]([x])));
end_funct[];
me_msg()_funct(compose)_arg(f)_funct(f)_arg(g)_funct(g)_var(x)_v(10); // result: 144
// or me_msg()_funct(compose)_arg({f}, f)_arg({g}, g)_var(x)_v(10);
reset_ns[];</lang>
=={{header|Dylan}}==
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