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pub fn main() !void {
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var array = [_]i32{1, 2, 3};
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apply(@TypeOf(array[0]), array[0..], func);
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}
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fn apply(comptime T: type, a: []T, f: fn(T) void) void {
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for (a) |item| {
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f(item);
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}
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}
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fn func(a: i32) void {
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const std = @import("std");
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std.debug.print("{d}\n", .{a-1});
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}
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