29 lines
625 B
Zig
29 lines
625 B
Zig
//
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// Now let's use a function that takes a parameter.
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//
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const std = @import( "std" );
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pub fn main() void {
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std.debug.print("Powers of two: {} {} {} {}\n", .{
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twoToThe(1),
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twoToThe(2),
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twoToThe(3),
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twoToThe(4),
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});
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}
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//
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// Oops! We seem to have forgotten something here. Function
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// parameters look like this:
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//
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// fn myFunction( number: u8, is_lucky: bool ) {
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// ...
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// }
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//
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// As you can see, we declare the type of the parameter, just
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// like we declare the types of variables, with a colon ":".
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//
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fn twoToThe(???) u32 {
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return std.math.pow(u32, 2, my_number);
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}
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