RosettaCodeData/Task/Function-composition/D/function-composition.d
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2013-04-10 21:29:02 -07:00

11 lines
295 B
D

import std.stdio;
T delegate(S) compose(T, U, S)(in T delegate(U) f,
in U delegate(S) g) {
return s => f(g(s));
}
void main() {
writeln(compose((int x) => x + 15, (int x) => x ^^ 2)(10));
writeln(compose((int x) => x ^^ 2, (int x) => x + 15)(10));
}