diff options
| -rw-r--r-- | exercises/047_methods.zig | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/exercises/047_methods.zig b/exercises/047_methods.zig index b967ab8..a6367e9 100644 --- a/exercises/047_methods.zig +++ b/exercises/047_methods.zig @@ -55,10 +55,15 @@ const Alien = struct { .health = strength * 5, }; } +}; + +// Your trusty weapon. Zap those aliens! +const HeatRay = struct { + damage: u8, // We love this method: - pub fn zap(self: *Alien, damage: u8) void { - self.health -= if (damage >= self.health) self.health else damage; + pub fn zap(self: *HeatRay, alien: *Alien) void { + alien.health -= if (self.damage >= alien.health) alien.health else self.damage; } }; @@ -74,7 +79,7 @@ pub fn main() void { }; var aliens_alive = aliens.len; - var heat_ray_strength: u8 = 7; // We've been given a heat ray weapon. + var heat_ray = HeatRay{ .damage = 7 }; // We've been given a heat ray weapon. // We'll keep checking to see if we've killed all the aliens yet. while (aliens_alive > 0) { @@ -84,7 +89,7 @@ pub fn main() void { for (aliens) |*alien| { // *** Zap the Alien Here! *** - ???.zap(heat_ray_strength); + ???.zap(???); // If the alien's health is still above 0, it's still alive. if (alien.health > 0) aliens_alive += 1; |