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Improved the explanation about passing arguments and added an example.

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This commit is contained in:
Chris Boesch 2024-03-14 23:37:14 +01:00
parent e3877321b6
commit 9844123dd1
2 changed files with 17 additions and 6 deletions
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17
exercises/051_values.zig
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@ -141,9 +141,20 @@ pub fn main() void {
//
// Moving along...
//
// Passing arguments to functions is pretty much exactly like
// making an assignment to a const (since Zig enforces that ALL
// function parameters are const).
// When arguments are passed to a function,
// they are ALWAYS passed as constants within the function,
// regardless of how they were declared in the calling function.
//
// Example:
// fn foo(arg: u8) void {
// arg = 42; // Error, 'arg' is const!
// }
//
// fn bar() void {
// var arg: u8 = 12;
// foo(arg);
// ...
// }
//
// Knowing this, see if you can make levelUp() work as expected -
// it should add the specified amount to the supplied character's